Cusip 002539104
Item 1: Reporting Person: Arnhold and S. Bleichroeder, Inc. (Tax Id:134959915)
Item 4: State of New York
Item 5: 350,031
Item 6: None
Item 7: 350,031
Item 8: None
Item 9: 350,031
Item 11: 4.82%
Item 12: BD
Cusip 002539104
Item 1: Reporting Person: Arnhold and S. Bleichroeder Advisers, Inc.
Item 2: State Of New York
Item 5: 350,031
Item 6: None
Item 7: 350,031
Item 8: None
Item 9: 350,031
Item 11: 4.82%
Item 12: IA
Cusip 002539104
Schedule 13 G (Cont.) Page 3 of 5
Item 1(a)- Name of Issuer: Aavid Thermal Technologies, Inc.
Item 1(b)- Address of Issuer's Principal Executive Offices:
One Kool Path
Laconia, NH 03247
Item 2(a)- Name of Person Filing: Arnhold and S. Bleichroeder, Inc. and Arnhold
and S. Bleichroeder Advisers, Inc.
Item 2(b)- Address of Principal Business Office: 1345 Ave of Americas
New York, NY 10105
Item 2(c)- Citizenship: New York, NY, USA (Place of Incorporation)
Item 2(d)- Title of Class of Securities: Common Stock
Item 2(e)- Cusip Number: 002539104
Item 3-This statement is being filed pursuant to Rule 13d-1(b).
The person filing is a:
(a) Broker or Dealer registered under Section 15 of the act; and
(e)-Investment Advisor registered under Section 203 of the
Investment Advisers Act of 1940.
Item 4(a) Amount beneficially owned: Arnhold and S. Bleichroeder Advisers, Inc.,
a wholly owned subsidiary of Arnhold and S. Bleichroeder, Inc., is the
investment adviser for First Eagle Fund of America (the "Fund"). Pursuant to its
advisory agreement with the Fund, Arnhold and S. Bleichroeder Advisers, Inc. has
sole power to vote and dispose of the securities held by the Fund and is
therefore the beneficial owner, for the purposes of Rule 13d-3, of the
securities held by the Fund. Based upon the foregoing, each of Arnhold and S.
Bleichroeder and Arnhold and S. Bleichroeder Advisers, Inc. may be considered
the beneficial owner, for the purpose of Rule 13d-3, of a total of 350,031
shares of the Issuer's common stock.
Item 4(b) - Percent of Class: 4.82%
Item 4(c)- Number of Shares to which A & SB has: (i)--sole power to vote or to
direct the vote: 350,031 (ii)-shared power to vote or to direct the vote: -0-
(iii)sole power to dispose or to direct the disposition of: 350,031 (iv)-shared
power to dispose or to direct the disposition of -0-
Cusip 002539104
Schedule G (Cont.) Page 4 of 5
Item 5 - Ownership of Five Percent or Less of a Class: YES
Item 6 - Ownership of More than Five percent on Behalf of Another Person:
Not Applicable
Item 7-Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parent Holding Company:
Not Applicable
Item 8-Identification and Classification of Members of the Group:
Not Applicable
Item 9-Notice of Dissolution of Group:
Not Applicable
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.
Cusip 002539104
Schedule G (Cont.) Page 5 of 5
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: February 12, 1998
ARNHOLD AND S. BLEICHROEDER, INC.
By: /S/ Ronald A. Bendelius
-------------------------------------
Ronald A. Bendelius
Senior Vice President
By: /S/ William P Casciani
-------------------------------
William P. Casciani
Senior Vice President
ARNHOLD AND S. BLEICHROEDER ADVISERS, INC.
By: /S/ Robert Miller
-------------------------
Robert Miller
Vice President, Secretary, Treasurer