UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
Amendment #4
SPACELABS MEDICAL INC.
(Name of Issuer)
COMMON STOCK
(Title of Class of Securities)
846247104
(CUSIP Number)
Check the following box if a fee is being paid
with this statement ( ).
SCHEDULE 13G
Amendment #4
SPACELABS MEDICAL INC.
(Name of Issuer)
COMMON STOCK
(Title of Class of Securities)
846247104
(CUSIP Number)
(1) Names of Reporting Persons S.S. or I.R.S.
Identification Nos. of Above Persons
Trimark Financial Corporation
_________________________________________________________________
_____________
(2) Check the Appropriate Box if a Member of a Group
(a)
(b) (x)
_________________________________________________________________
_____________
(3) SEC Use Only
_________________________________________________________________
_____________
(4) Citizenship or Place of Organization
Trimark Financial Corporation is a corporation
incorporated under the
laws of Ontario, Canada
_________________________________________________________________
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Number of (5) Sole Voting Power 964,900
shares Shares
____________________________________________________________
Benefici- (6) Shared Voting Power NIL
ally Owned
____________________________________________________________
by Each (7) Sole Dispositive Power 964,900 shares
Reporting
____________________________________________________________
Person With (8) Shared Dispositive Power NIL
_________________________________________________________________
_____________
(9) Aggregate Amount Beneficially Owned by Each
Reporting Person
964,900 shares
_________________________________________________________________
_____________
(10) Check if the Aggregate Amount in Row (9) Excludes
Certain Shares
Not applicable
_________________________________________________________________
_____________
Percent of Class Represented by Amount in Row 9
10.1% of outstanding common shares
_________________________________________________________________
_____________
(12) Type of Reporting Person HC (see item
2A)
_________________________________________________________________
_____________
Item 1(a)
Name of Issuer: Spacelabs Medical Inc.
Item 1(b)
Address of Issuer's Principal Executive Offices:
15220 N. E. 40th Street
Redmond, WA 98052
Item 2(a)
Name of Person Filing:
Certain Trimark mutual funds (the Funds ), which are
trusts organized under the laws of Ontario, Canada, are
owners of record of the securities covered by this
report. Trimark Investment Management Inc. ( TIMI ), a
corporation incorporated under the laws of Canada, is a
manager and trustee of the Funds. TIMI is qualified to
act as an investment adviser and manager of the Funds
in the province of Ontario pursuant to a registration under
the Securities Act (Ontario). Trimark Financial Corporation
( TFC ) is a corporation incorporated under the laws of
Ontario, Canada. It owns 100% of the voting equity
securities of TIMI. Consequently, TFC may be deemed to
be the beneficial owner of such securities.
Item 2(b)
Address of Principal Business Office:
One First Canadian Place
Suite 5600, P. O. Box 487
Toronto, Ontario
M5X 1E5
(416) 362-7181
Item 2(c)
Citizenship:
Trimark Financial Corporation - Incorporated under
the laws of Ontario, Canada
Trimark Investment Management Inc. - Incorporated
under the laws of Canada
Trimark mutual funds - mutual fund trusts
organized under the laws of Ontario
Item 2(d)
Title of Class of Securities: common stock
Item 2(e)
CUSIP Number: 846247104
_________________________________________________________________
_____________
Item 3
If this statement is filed pursuant to Rules 13d-1(b),
or 13d- 2(b), check whether the
person filing is a:
(a) ( ) Broker or Dealer registered under
Section 15 of the Act
(b) ( ) Bank as defined in section 3(a) (6)
of the Act
(c) ( ) Insurance Company as defined in
section 3(a)(19) of the Act
(d) ( ) Investment Company registered under
section 8 of the Investment Company
Act
(e) ( ) Investment Adviser registered under
section 203 of the Investment
Advisers Act of 1940
(f) ( ) Employee Benefit Plan, Pension Fund
which is subject to the
provisions of the Employee Retirement
Income Security Act of
1974 or Endowment Fund; see 240.13d-1(b)
(1) (ii)(F)
(g) ( x ) Parent Holding Company, in
accordance with 240.13d-1(b) (ii)(G)
(Note: See Item 7)
(h) ( ) Group, in accordance with
240.13d-1(b) (ii)(H)
(see item 2A)
_________________________________________________________________
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Item 4
Ownership.
(a) Amount Beneficially Owned*:
964,900 shares
(b) Percent of Class:
10.1%
(c) Number of shares as to which such person
has*:
(i) sole power to vote or to direct the
vote: (TFC) 964,900
(ii) shared power to vote or to direct the
vote: NIL
(iii) sole power to dispose or to direct the
disposition of: (TFC) 964,900
(iv) shared power to dispose or to direct the
disposition of: NIL
* (see item 2(a))
_________________________________________________________________
_____________
Item 5
Ownership of Five Percent or Less of a Class
Inapplicable
_________________________________________________________________
_____________
Item 6
Ownership of More than Five Percent on Behalf of
Another Person
Inapplicable
_________________________________________________________________
_____________
Item 7
Identification and Classification of the Subsidiary
which Acquired the Security Being Reported on By the
Parent Holding Company.
See item 2(a)
_________________________________________________________________
_____________
Item 8
Identification and Classification of Members of the
Group.
Inapplicable
_________________________________________________________________
_____________
Item 9
Notice of Dissolution of Group.
Inapplicable
_________________________________________________________________
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Item 10
Certification.
By signing below I certify that, to the best of my
knowledge and belief, the
securities referred to above were acquired in the
ordinary course of business and
were not acquired for the purpose of and do not have
the effect of changing or
influencing the control of the issuer of such
securities and were not acquired in
connection with or as a participant in any transaction
having such purposes or effect.
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.
Date: June 5, 1997
Signature: /s/ MICHAEL KEVIN FEENEY
Name/Title: Michael Kevin Feeney, Chief Financial
Officer, on behalf of
Trimark Financial Corporation in its capacity
as a Reporting
Person" herein.
Attention: Intentional misstatements or
omissions of fact
constitute Federal criminal violations (See
18 U.S.C. 1001).
