TRIAD SYSTEMS CORP
SC 13D/A, 1996-10-21
COMPUTER INTEGRATED SYSTEMS DESIGN
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         THIS PAPER DOCUMENT IS BEING SUBMITTED PURSUANT
TO RULE 902(g) OF REGULATION S-T

               SECURITIES AND EXCHANGE COMMISSION
                     Washington, D.C.  20549
                            
                          SCHEDULE 13D
                       (Amendment No. 17)
                              
            Under the Securities Exchange Act of 1934


                  TRIAD SYSTEMS CORPORATION          
                        (Name of Issuer)

                                
            Common Stock Par Value $0.001 Per Share     
                (Title of Class and Securities) 

                                
                             895818201                
              (CUSIP Number of Class of Securities)
                                

                                                                
                      James E. McKee,  Gabelli Funds, Inc.,
           Corporate Center at Rye, Rye, NY 10580-1430 (914) 921-5294
            (Name, Address and Telephone Number of Person Authorized
                      to Receive Notices and Communications


                                  October 17, 1996            
                          (Date of Event Which Requires
                            Filing of this Statement)


If the filing person has previously filed a statement on Schedule
13G to report the acquisition which is the subject of this State
- -ment because of Rule 13d-1(b)(3) or (4), check the following box:
                                                     _____                      
                                                    /____/

Check the following box if a fee is being paid with this Statement:
                                                    _____
                                                   /____/
_________________________________________________________________

CUSIP No. 895818201                                        13D
_________________________________________________________________
(1)  NAMES OF REPORTING PERSONS 
      S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
      Gabelli Funds, Inc.            I.D. No. 13-3056041
_________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                                       ____
                                                  (a) /___/
                                                       ____
                                                  (b) /___/
_________________________________________________________________
(3)  SEC USE ONLY
_________________________________________________________________
(4)  SOURCE OF FUNDS*
      OO-Funds of investment company clients
_________________________________________________________________
(5)  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
     REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)          _____
                                                     /    /
_________________________________________________________________
(6)  CITIZENSHIP OR PLACE OF ORGANIZATION
      New York
_________________________________________________________________               
                                        : (7) SOLE VOTING POWER
                                        :     117,000 (Item 5)
                                        :________________________
                                        : (8) SHARED VOTING POWER
 NUMBER OF SHARES BENEFICIALLY          :     None  (Item 5) 
 OWNED BY EACH REPORTING                :________________________
 PERSON WITH                            : (9) SOLE DISPOSITIVE 
                                        :     POWER
                                        :     117,000 (Item 5)
                                        :________________________
                                        :(10) SHARED DISPOSITIVE 
                                        :     POWER
                                        :     None  (Item 5)  
_________________________________________________________________
(11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      117,000 (Item 5)
_________________________________________________________________
(12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11
     EXCLUDES CERTAIN SHARES*                         _____
                                                     /  x /
_________________________________________________________________
(13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
      0.66%
_________________________________________________________________
(14) TYPE OF REPORTING PERSON*
      HC, IA, CO
_________________________________________________________________
              *SEE INSTRUCTIONS BEFORE FILLING OUT!  
________________________________________________________________

CUSIP No. 895818201                                        13D
_________________________________________________________________ 
(1) NAMES OF REPORTING PERSONS 
      S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
      GAMCO Investors, Inc.              I.D. No. 13-2951242
_________________________________________________________________ 
(2) THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                                       ____
                                                  (a) /___/
                                                       ____
                                                  (b) /___/

_______________________________________________________________
(3)  SEC USE ONLY
_________________________________________________________________
(4)  SOURCE OF FUNDS*
      OO-Funds of investment advisory clients
_________________________________________________________________
(5)  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
     REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)          _____
                                                     /  x /
_________________________________________________________________
(6)  CITIZENSHIP OR PLACE OF ORGANIZATION
      New York
_________________________________________________________________               
                                        : (7) SOLE VOTING POWER
                                        :     760,600 (Item 5)
                                        :________________________
                                        : (8) SHARED VOTING POWER
 NUMBER OF SHARES BENEFICIALLY          :     None 
 OWNED BY EACH REPORTING                :________________________   
 PERSON WITH                            : (9) SOLE DISPOSITIVE 
                                        :     POWER
                                        :     839,600 (Item 5)
                                        :________________________               
                                        :(10) SHARED DISPOSITIVE 
                                        :     POWER
                                        :     None  
_________________________________________________________________
(11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      839,600 (Item 5)
_________________________________________________________________ 
(12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11
     EXCLUDES CERTAIN SHARES*                         ____
                                                     /___/
_________________________________________________________________
(13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
      4.75%
_________________________________________________________________
(14) TYPE OF REPORTING PERSON*
      IA, CO
_________________________________________________________________
              *SEE INSTRUCTIONS BEFORE FILLING OUT!   
_________________________________________________________________

CUSIP No. 895818201                                        13D
_________________________________________________________________ 
(1)  NAMES OF REPORTING PERSONS 
      S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
      Gabelli International Limited  I.D. No. Foreign Corporation
_________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                                       ____
                                                  (a) /___/
                                                       ____
                                                  (b) /___/
_________________________________________________________________
(3)  SEC USE ONLY
_________________________________________________________________
(4)  SOURCE OF FUNDS*
      WC 
_________________________________________________________________
(5)  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
     REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)          ____
                                                     /___/
_________________________________________________________________
(6)  CITIZENSHIP OR PLACE OF ORGANIZATION
      British Virgin Islands
_________________________________________________________________               
                                        : (7) SOLE VOTING POWER
                                        :     13,000 (Item 5)
                                        :________________________
                                        : (8) SHARED VOTING POWER
 NUMBER OF SHARES BENEFICIALLY          :     None  
 OWNED BY EACH REPORTING                :________________________   
 PERSON WITH                            : (9) SOLE DISPOSITIVE 
                                        :     POWER
                                        :     13,000 (Item 5)
                                        :________________________               
                                        :(10) SHARED DISPOSITIVE 
                                        :     POWER
                                        :     None  
_________________________________________________________________
(11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      13,000 (Item 5)
_________________________________________________________________ 
(12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11
     EXCLUDES CERTAIN SHARES*                         ____
                                                     /___/
_________________________________________________________________
(13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
      0.07%
_________________________________________________________________
(14) TYPE OF REPORTING PERSON*
      CO
_________________________________________________________________

              *SEE INSTRUCTIONS BEFORE FILLING OUT!
________________________________________________________________

CUSIP No. 895818201                                        13D
_________________________________________________________________
(1)  NAMES OF REPORTING PERSONS 
      S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
      Gabelli Performance Partnership L.P.   I.D. No. 13-3396569
_________________________________________________________________ 
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                                       ____
                                                  (a) /___/
                                                       ____
                                                  (b) /___/
_________________________________________________________________
(3)  SEC USE ONLY
_________________________________________________________________
(4)  SOURCE OF FUNDS*
     WC     
_________________________________________________________________
(5)  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
     REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)          ____
                                                     /___/
_________________________________________________________________
(6)  CITIZENSHIP OR PLACE OF ORGANIZATION
      Delaware 
_________________________________________________________________               
                                        : (7) SOLE VOTING POWER
                                        :     204,900 (Item 5)
                                        :________________________
                                        : (8) SHARED VOTING POWER
 NUMBER OF SHARES BENEFICIALLY          :     None  
 OWNED BY EACH REPORTING                :________________________   
 PERSON WITH                            : (9) SOLE DISPOSITIVE 
                                        :     POWER
                                        :     204,900 (Item 5)
                                        :________________________               
                                        :(10) SHARED DISPOSITIVE 
                                        :     POWER
                                        :     None  
_________________________________________________________________
(11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      204,900 (Item 5)
_________________________________________________________________ 
(12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11
     EXCLUDES CERTAIN SHARES*                         ____
                                                     /___/
_________________________________________________________________
(13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
      1.16%
_________________________________________________________________
(14) TYPE OF REPORTING PERSON*
      PN
_________________________________________________________________

              *SEE INSTRUCTIONS BEFORE FILLING OUT!
_________________________________________________________________

CUSIP No. 895818201                                        13D
_________________________________________________________________ 
 (1)  NAMES OF REPORTING PERSONS 
      S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
      Gabelli Associates Fund            I.D. No. 13-3246203
_________________________________________________________________  
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                                       ____
                                                  (a) /___/
                                                       ____
                                                  (b) /___/
_________________________________________________________________
(3)  SEC USE ONLY
_________________________________________________________________
(4)  SOURCE OF FUNDS*
      WC                                     
_________________________________________________________________
(5)  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
     REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)          ____
                                                     /___/
_________________________________________________________________
(6)  CITIZENSHIP OR PLACE OF ORGANIZATION
      New York 
_________________________________________________________________               
                                        : (7) SOLE VOTING POWER
                                        :     656,300 (Item 5)
                                        :________________________
                                        : (8) SHARED VOTING POWER
 NUMBER OF SHARES BENEFICIALLY          :     None  
 OWNED BY EACH REPORTING                :________________________
 PERSON WITH                            : (9) SOLE DISPOSITIVE 
                                        :     POWER
                                        :     656,300 (Item 5)
                                        :________________________               
                                        :(10) SHARED DISPOSITIVE 
                                        :     POWER
                                        :     None  
_________________________________________________________________
(11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      656,300 (Item 5)  
_________________________________________________________________
 (12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11
       EXCLUDES CERTAIN SHARES*                         ____
                                                     /___/
_________________________________________________________________
(13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
      3.71%
_________________________________________________________________
(14) TYPE OF REPORTING PERSON*
      PN
_________________________________________________________________

              *SEE INSTRUCTIONS BEFORE FILLING OUT!  
________________________________________________________________

CUSIP No. 895818201                                        13D
_________________________________________________________________
(1)  NAMES OF REPORTING PERSONS 
      S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
      Gabelli Associates Limited     I.D. No. Foreign Corporation
_________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                                       ____
                                                  (a) /___/
                                                       ____
                                                  (b) /___/
_________________________________________________________________
(3)  SEC USE ONLY
_________________________________________________________________
(4)  SOURCE OF FUNDS*
      WC    
_________________________________________________________________
(5)  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
     REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)          ____
                                                     /___/
_________________________________________________________________
(6)  CITIZENSHIP OR PLACE OF ORGANIZATION
      British Virgin Islands
_________________________________________________________________               
                                        : (7) SOLE VOTING POWER
                                        :     20,000 (Item 5)
                                        :________________________
                                        : (8) SHARED VOTING POWER
 NUMBER OF SHARES BENEFICIALLY          :     None  
 OWNED BY EACH REPORTING                :________________________  
 PERSON WITH                            : (9) SOLE DISPOSITIVE 
                                        :     POWER
                                        :     20,000 (Item 5)
                                        :________________________               
                                        :(10) SHARED DISPOSITIVE 
                                        :     POWER
                                        :     None  
_________________________________________________________________
(11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      20,000 (Item 5)  
_________________________________________________________________ 
(12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11
     EXCLUDES CERTAIN SHARES*                         ____
                                                     /___/
_________________________________________________________________
(13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
      0.11%
_________________________________________________________________
(14) TYPE OF REPORTING PERSON*
      CO
_________________________________________________________________

              *SEE INSTRUCTIONS BEFORE FILLING OUT!  
_________________________________________________________________

CUSIP No. 895818201                                        13D
_________________________________________________________________ 
(1)  NAMES OF REPORTING PERSONS 
     S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
     Mario J. Gabelli                  I.D. No. ###-##-####
_________________________________________________________________  
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                                       ____
                                                  (a) /___/
                                                       ____
                                                  (b) /___/
_________________________________________________________________
(3)  SEC USE ONLY
_________________________________________________________________
(4)  SOURCE OF FUNDS*
      None 
_________________________________________________________________
(5)  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
     REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)          ____
                                                     /    /
_________________________________________________________________
(6)  CITIZENSHIP OR PLACE OF ORGANIZATION
      USA 
_________________________________________________________________               
                                        : (7) SOLE VOTING POWER
                                        :     None   (Item 5)
                                        :________________________
                                        : (8) SHARED VOTING POWER
 NUMBER OF SHARES BENEFICIALLY          :     None  
 OWNED BY EACH REPORTING                :________________________   
 PERSON WITH                            : (9) SOLE DISPOSITIVE 
                                        :     POWER
                                        :     None   (Item 5)
                                        :________________________               
                                        :(10) SHARED DISPOSITIVE 
                                        :     POWER
                                        :     None  
_________________________________________________________________
(11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     None   (Item 5)
_________________________________________________________________ 
(12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11
     EXCLUDES CERTAIN SHARES*                         _____
                                                     /  x /
_________________________________________________________________
(13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
      0.00%
_________________________________________________________________
(14) TYPE OF REPORTING PERSON*
      IN
_________________________________________________________________

              *SEE INSTRUCTIONS BEFORE FILLING OUT!
Item 1.   Security and Issuer
          This Amendment No. 17 to Schedule 13D is being filed on behalf of the
undersigned to amend the Schedule 13D, as amended (the "Schedule 13D"), which
was originally filed on August 2, 1989.  Unless otherwise indicated, all
capitalized terms used herein but not defined herein shall have the same
meaning as set forth in the Schedule 13D.

Item 2.   Identity and Background
          This statement is being filed by Mario J. Gabelli ("Mr. Gabelli") and
various entities which he directly or indirectly controls or for which he acts
as chief investment officer.  These entities, except for Lynch Corporation
("Lynch"), Spinnaker Industries, Incorporated ("Spinnaker"), Western New Mexico
Telephone Company ("Western New Mexico"), Entoleter, Inc. ("Entoleter"),  Lynch
Telecommunications Corporation ("Lynch Telecom"), Lynch Telephone Corporation
("Lynch Telephone") and Inter-Community Telephone Company ("Inter-Community")
(collectively, "Lynch and its affiliates"), engage in various aspects of the
securities business, primarily as investment adviser to various institutional
and individual clients, including registered investment companies and pension
plans, as broker/dealer and as general partner of various private investment
partnerships.  Certain of these entities may also make investments for their
own accounts. 
          The foregoing persons in the aggregate often own beneficially more
than 5% of a class of equity securities of a particular issuer.  Although
several of the foregoing persons are treated as institutional investors for
purposes of reporting their beneficial ownership on the short-form Schedule
13G, the holdings of those who do not qualify as institutional investors may
exceed the 1% threshold presented for filing on Schedule 13D or implementation
of their investment philosophy may from time to time require action which could
be viewed as not completely passive.  In order to avoid any question as to
whether their beneficial ownership is being reported on the proper form and in
order to provide greater investment flexibility and administrative uniformity,
these persons have decided to file their beneficial ownership reports on the
more detailed Schedule 13D form rather than on the short-form Schedule 13G and
thereby to provide more expansive disclosure than may be necessary. 
          (a), (b) and (c) - This statement is being filed by one or more of
the following persons: Gabelli Funds, Inc. ("GFI"), GAMCO Investors, Inc.
("GAMCO"), Gabelli Securities, Inc. ("GSI"), Gabelli & Company, Inc. ("Gabelli
& Company"), Gabelli Performance Partnership L.P. ("GPP"), GLI, Inc. ("GLI"),
Gabelli Associates Fund ("Gabelli Associates"), Gabelli Associates Limited
("GAL"), Gabelli & Company, Inc. Profit Sharing Plan (the "Plan"), Gabelli
International Limited ("GIL"), Gabelli International II Limited ("GIL II"),
Gabelli International Gold Fund Limited ("GIGFL"), ALCE Partners, L.P.
("ALCE"), Gabelli Multimedia Partners, L.P. ("Multimedia Partners"), Gabelli
Asset Management Company International Advisory Services Ltd. ("GIASL"), Mr.
Gabelli, Lynch, Spinnaker, Western New Mexico, Entoleter, Lynch Telecom, Lynch
Telephone and Inter-Community. Those of the foregoing persons signing this
Schedule 13D are hereafter referred to as the "Reporting Persons".    
          GAMCO, a majority owned subsidiary of GFI, is an investment adviser
registered under the Investment Advisers Act of 1940, as amended ("Advisers
Act").  GAMCO is an investment manager providing discretionary managed account
services in the equity area for employee benefit plans, private investors,
endowments and foundations. 
          Gabelli & Company, a wholly-owned subsidiary of GSI, is a broker-
- -dealer registered under the Securities Exchange Act of 1934, as amended ("l934
Act"), which as a part of its business regularly purchases and sells securities
for its own account.  
          GLI, a wholly-owned subsidiary of GSI, is a general partner of G&R
Partners, a Delaware partnership ("G&R"), which, in turn, is the general
partner of Gabelli-Rosenthal & Partners, L.P., a Delaware limited partnership
("G-R"), whose primary business purpose is to do friendly leveraged buyouts. 
At the present time, G-R's sole business purpose is to monitor its existing
portfolio investments.
          Gabelli Associates is a New York limited partnership whose primary
business purpose is risk arbitrage investments.  GSI and Mr. Gabelli are the
general partners of Gabelli Associates. 
          GAL is a corporation whose primary business purpose is risk arbitrage
investments.  Shares of GAL's Common Stock will be offered to persons who are
neither citizens nor residents of the United States and may be offered to a
limited number of U.S. investors.  GSI is the investment manager of GAL.
          GSI, a majority-owned subsidiary of GFI, is a Delaware corporation
which as a part of its business regularly purchases and sells securities for
its own account.  It is the immediate parent of Gabelli & Company.  
          GFI is the ultimate parent company for a variety of companies engaged
in the securities business, each of which is named above.  In addition, GFI is
an investment adviser registered under the Advisers Act.  GFI is an investment
adviser which presently provides discretionary managed account services for The
Gabelli Equity Trust Inc., The Gabelli Asset Fund, The Gabelli Growth Fund, The
Gabelli Convertible Securities Fund, Inc., The Gabelli Value Fund Inc., The
Gabelli Small Cap Growth Fund, The Gabelli Equity Income Fund, The Gabelli ABC
Fund, The Gabelli Global Telecommunications Fund, Gabelli Gold Fund, Inc., The
Gabelli Global Multimedia Trust Inc., The Gabelli Global Convertible Securities
Fund, Gabelli Capital Asset Fund, Gabelli International Growth Fund, Inc. and
The Gabelli Global Interactive Couch Potato Fund (collectively, the "Funds"),
which are registered investment companies.
          The Plan, a qualified employee profit sharing plan, covers
substantially all employees of GFI and its affiliates. 
          GPP, a Delaware limited partnership, is a limited partnership whose
primary business purpose is investing in securities.  Mr. Gabelli is the
general partner and chief investment officer of GPP. 
          GIL is a corporation whose primary business purpose is investing in a
portfolio of equity securities and securities convertible into, or exchangeable
for, equity securities in order to achieve its investment objective of
significant long-term growth of capital.  Shares of GIL's common stock are
offered to persons who are neither citizens nor residents of the United States
and may be offered to a limited number of U.S. investors.  The investments of
GIL are managed by Mr. Gabelli who is also a director and Chairman of the Board
of Directors of GIL.
          GIL II is a corporation whose business purpose is investing primarily
in a portfolio of equity securities and securities convertible into, or
exchangeable for, equity securities in order to achieve its investment
objective of significant long-term growth of capital.  Shares of GIL II's
common stock are offered to persons who are neither citizens nor residents of
the United States and may be offered to a limited number of U.S. investors. 
The investments of GIL II are managed by Mr. Gabelli who is also a director and
Chairman of the Board of Directors of GIL II.
       ALCE is a Delaware investment limited partnership that seeks long-term
capital appreciation primarily through investments in public and private equity
securities.  GSI is a general partner of ALCE.
       Multimedia Partners is a Delaware investment limited partnership whose
objective is to provide long-term capital appreciation by investing primarily
in public and private multimedia communications companies.  GSI is a general
partner of Multimedia Partners.
       GIASL is a corporation whose primary business purpose is to provide
advisory services to offshore funds.
       Lynch, an Indiana corporation, is a diversified public company traded on
the American Stock Exchange.  Its subsidiaries are engaged in communications,
services, and manufactured products.  Spinnaker, a Delaware subsidiary of
Lynch, is also a public company and its stock is traded through the NASDAQ
System.  Spinnaker is a diversified manufacturing firm with major subsidiaries
in specialty adhesive-backed materials business.  Another of Lynch's subsidiar-
ies, Western New Mexico, provides telephone services in a service area in
Southwestern New Mexico.  Inter-Community, which is also a subsidiary of Lynch,
provides local telephone services in an area 40 miles west of Fargo, North
Dakota.   Lynch and Spinnaker actively pursue new business ventures and
acquisitions.  Lynch and its affiliates make investments in marketable
securities to preserve capital and maintain liquidity for financing their
business activities and acquisitions (not in the case of Western New Mexico)
and are not engaged in the business of investing, reinvesting, or trading in
securities.  Mr. Gabelli is Chairman of Lynch and owns beneficially 23.52% of
the shares of common stock of Lynch. 
          Mr. Gabelli is the majority stockholder and Chairman of the Board of
Directors and Chief Executive Officer of GFI and the Chief Investment Officer
for each of the Reporting Persons.  GFI, in turn, is the majority stockholder
of GAMCO.  GFI is also the majority stockholder of GSI.  Gabelli & Company is a
wholly-owned subsidiary of GSI.  GLI is a wholly-owned subsidiary of GSI.
          The Reporting Persons do not admit that they constitute a group. 
          GFI, GAMCO, Gabelli & Company and GLI are New York corporations and
GSI is a Delaware corporation, each having its principal business office at One
Corporate Center, Rye, New York 10580-1434. GPP is a Delaware limited
partnership having its principal business office at 8 Sound Shore Drive,
Greenwich, Connecticut 06830.  Gabelli Associates is a New York limited
partnership having its principal business office at One Corporate Center, Rye,
New York 10580-1434. GAL and GIL are corporations organized under the laws of
the British Virgin Islands having their principal business office at c/o
MeesPierson (Cayman) Limited, British American Centre, Dr. Roy's Drive-Phase 3,
George Town, Grand Cayman, British West Indies.  GIL II is a corporation
organized under the laws of the British Virgin Islands having their principal
business office at c/o Coutts & Company (Cayman) Limited, West Bay Road, Grand
Cayman, British West Indies.  GIASL is a Bermuda corporation with its principal
business office at c/o Appleby, Spurling & Kempe, Cedar House, 41 Cedar Avenue,
Hamilton HM12, Bermuda.  Lynch is an Indiana corporation having its principal
business office at 8 Sound Shore Drive, Greenwich, CT 06830.  Spinnaker is a
Delaware corporation having its principal business office at 251 Welton Street,
Hamden, CT 06511. 
          For information required by instruction C to Schedule 13D with
respect to the executive officers and directors of the foregoing entities and
other related persons (collectively, "Covered Persons"), reference is made to
Schedule I annexed hereto and incorporated herein by reference. 
          (d) and (e) -  On December 8, 1994, the SEC instituted and simulta-
neously accepted offers for the settlement of an administrative proceeding
against Gabelli & Company and GAMCO.  The order instituting the proceeding
included a finding, which Gabelli & Company and GAMCO neither admitted nor
denied, that they failed to implement and maintain policies and procedures
reasonably designed to prevent the misuse of material, nonpublic information by
not sepecifically addressing the special circumstances that arose from their
affiliation with Lynch Corporation, a public company.  To resolve this matter,
Gabelli & Company and GAMCO agreed to cease and desist from violating Section
15(f) of the 1934 Act and Section 204A of the Advisers Act, respectively.  They
further agreed to each pay a civil penalty in the amount of $50,000, and to
retain, and adopt the recommendations of, an independant consultant regarding
their Section 15(f) and Section 204A policies and procedures.  
          On December 13, 1991, the Virginia State Corporation Commission
entered an order of settlement in final disposition of matters arising from an
allegation that GAMCO had transacted business in Virginia as an investment
adviser without having been registered as such under Virginia Code Section
13.1-504A or an exemption therefrom.  GAMCO consented to the entry of the order
without admitting or denying the allegation and without a hearing.  The terms
of the order provide that GAMCO would pay a fine and costs totalling fifty-five
thousand dollars and would not transact business in Virginia as an investment
adviser unless it was registered as such under section 13.1-504A or was exempt
from registration.  
     (f) - Reference is made to Schedule I hereto. 


Item 3.   Source and Amount of Funds or Other Consideration
          All Reporting Persons used an aggregate of approximately $6,443,994
to purchase the additional Securities requiring this Amendment to Schedule 13D. 
Gabelli Associates used approximately $6,236,688 of the investment funds of the
Partnership to purchase the Securities reported by it.    GIL and GAL used
approximately $17,250 and $190,056, respectively, of working capital to
purchase the Securities reported by them. 

Item 5.   Interest In Securities Of The Issuer
          (a)  The aggregate number and percentage of Securities to which this
Schedule 13D relates is 1,850,800 shares, representing 10.46% of the 17,683,000
shares outstanding as reported in the Issuer's most recently filed Form 10-Q
for the quarter ended June 30, 1996.  The Reporting persons beneficially own
those Securities as follows: 
                              Shares of                % of
                              Common                   Class of
Name                          Stock                    Common  

GFI:
  As Principal                          0                0.00%
  As Agent                        117,000                0.66%

GAMCO:
  As Principal                          0                0.00%
  As Agent                        839,600                4.75%

GPP                               204,900                1.16%

GIL                                13,000                0.07%

GAL                                20,000                0.11%

Gabelli Associates                656,300                3.71%

Mr. Gabelli                             0                0.00%


        Mr. Gabelli is deemed to have beneficial ownership of the Securities
beneficially owned by each of the foregoing persons and GFI is deemed to have
beneficial ownership of the Securities beneficially owned by each of the
foregoing persons other than Mr. Gabelli. 
        (b) Each of the Reporting Persons and Covered Persons has the sole
power to vote or direct the vote and sole power to dispose or to direct the
disposition of the Securities reported for it, either for its own benefit or
for the benefit of its investment clients or its partners, as the case may be,
except that GAMCO Investors, Inc. does not have authority to vote 79,000 of the
reported shares, and except that GFI has sole dispositive and voting power with
respect to the 117,000 shares of the Issuer held by the the Funds, so long as
the aggregate voting interest of all joint filers does not exceed 25% of their
total voting interest in the Issuer and in that event, the Proxy Voting
Committee of each of the Funds shall respectively vote that Fund's shares, and
except that, at any time, the Proxy Voting Committee of each such Fund may take
and exercise in its sole discretion the entire voting power with respect to the
shares held by such Fund under special circumstances such as regulatory
considerations, and except that the power of Mr. Gabelli and GFI is indirect
with respect to Securities beneficially owned directly by other Reporting
Persons. 
        (c) Information with respect to all transactions in the Securities
which were effected during the past sixty days by each of the Reporting Persons
and Covered Persons is set forth on Schedule II annexed hereto and incorporated
herein by reference. 
        (e)  Not applicable. <PAGE>
Signature
        After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct. 
Dated:   October 18, 1996
                                   GAMCO INVESTORS, INC.  
                                 


                                   By:_________________________
                                      Douglas R. Jamieson
                                      Executive Vice President


                                   GABELLI PERFORMANCE PARTNERSHIP



                                   By:___________________________
                                      Mario J. Gabelli,
                                      General Partner
                                      by: James E. McKee            
                                          Attorney-in-Fact 


                                   MARIO J. GABELLI



                                   By:___________________________
                                      James E. McKee           
                                      Attorney-in-Fact


                                   GABELLI FUNDS, INC.



                                   By:______________________________
                                      James E. McKee               
                                      General Counsel



                                   GABELLI INTERNATIONAL LIMITED 




                                   By:______________________________
                                      Mario J. Gabelli, Chairman
                                      and Investment Manager
                                      by: James E. McKee           
                                          Attorney-in-Fact



                                   GABELLI ASSOCIATES FUND 

                                
                                   By:_________________________
                                      Gabelli Securities, Inc.,
                                      General Partner
                                      by: James E. McKee
                                          Secretary


                                   GABELLI ASSOCIATES LIMITED

                                 

                                   By:_________________________
                                      Gabelli Securities,Inc.,
                                      Investment Manager
                                      by: James E. McKee
                                          Secretary 



             
                                                                                
                                              SCHEDULE II     
                                      INFORMATION WITH RESPECT TO               
                           TRANSACTIONS EFFECTED DURING THE PAST SIXTY DAYS OR  
                           SINCE THE MOST RECENT FILING ON SCHEDULE 13D (1)     
                                                                                
                                             SHARES PURCHASED        AVERAGE    
                                  DATE            SOLD(-)             PRICE(2)  
                                                                                
          COMMON STOCK-TRIAD SYSTEMS CORP                                      
                                                                                
          GABELLI INTERNATIONAL LTD                                             
                                10/11/96            3,000             5.7500    

          GAMCO INVESTORS, INC.                                                 
                                10/16/96            4,000-            5.5000    
                                10/15/96            6,000-            5.7188    
                                10/01/96              200-            5.0000    
                                 9/30/96            1,500-            5.3750    
                                 9/13/96            1,500-            5.2500    

          GABELLI ASSOCIATES LTD                                                
                                10/17/96           20,000             9.5028    
        
          GABELLI ASSOCIATES FUND                                               
                                10/17/96          656,300             9.5028    
                                                                                
                                                                                











          (1) UNLESS OTHERWISE INDICATED, ALL TRANSACTIONS WERE EFFECTED        
              ON NASDAQ.                                         
                                                                                
          (2) PRICE EXCLUDES COMMISSION.                                        
                                                                                

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