EXHIBIT 23.7
Goldman, Sachs & Co. | 85 Broad Street | New York, New York 10004
Tel: 212-902-1000
 
                                                                        GOLDMAN
                                                                        SACHS
 
July 16, 1996
 
Board of Directors
Teledyne, Inc.
2049 Century Park East
Los Angeles, CA 90067-3101
 
Re: Registration Statement of Allegheny Teledyne Incorporated relating to
    Common Stock, par value $0.10 per share, issued in exchange for
    outstanding shares of Allegheny Ludlum Common Stock and Teledyne Common
    Stock, being registered in connection with the Combination of Allegheny
    Ludlum Corporation and Teledyne, Inc.
 
Gentlemen and Madame:
 
Reference is made to our opinion letter dated April 1, 1996 with respect to
the fairness to the holders of the outstanding shares of Common Stock, par
value $0.01 per share (the "Shares"), of Teledyne, Inc. (the "Company") of the
exchange ratio of 1,925 shares of Common Stock, par value $0.10 per share, of
XYZ/Power, Inc. ("Newco"), a corporation formed for the purpose of becoming
the parent company of the Company and Allegheny Ludlum Corporation ("Allegheny
Ludlum"), to be received for each Share pursuant to the Agreement and Plan of
Merger and Combination dated as of April 1, 1996 by and among Newco, Allegheny
Ludlum and the Company.
 
The foregoing opinion letter is for the information and assistance of the
Board of Directors of the Company in connection with its consideration of the
transaction contemplated therein and is not to be used, circulated, quoted or
otherwise referred to for any other purpose, nor is it to be filed with,
included in or referred to in whole or in part in any registration statement,
proxy statement or any other document, except in accordance with our prior
written consent.
 
In that regard, we hereby consent to the reference to the opinion of our Firm
under the captions "Summary - The Combination - Opinions of Financial
Advisors", "The Combination - Opinions of Financial Advisors" and "The
Combination - Reasons for the Combination; Recommendations of the Board of
Directors" and to the inclusion of the foregoing opinion in the above-
mentioned Registration Statement. In giving such consent, we do not thereby
admit that we come within the category of persons whose consent is required
under Section 7 of the Securities Act of 1933 or the rules and regulations of
the Securities and Exchange Commission thereunder.
 
Very truly yours,
 
/s/ Goldman, Sachs & Co.
GOLDMAN, SACHS & CO.