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FORM 3 UNITED STATES SECURITIES OMB APPROVAL
AND EXCHANGE COMMISSION OMB Number: 3235-0104
Washington, D.C. 20549 Expires: September 30, 1998
Estimated average burden
hours per response .... 0.5
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,
Section 17(a) of the Public Utility Holding Company Act of 1935
or Section 30(f) of the
Investment Company Act of 1940
(Print or Type Responses)
1. Name and Address of Reporting Person*
Morgan Stanley, Dean Witter, Discover Co.
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(Last) (First) (Middle)
1585 Broadway
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(Street)
New York NY 10036
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(City) (State) (Zip)
2. Date of Event Re-
quiring Statement
(Month/Day/Year)
7/8/97
3. IRS or Social Se-
curity Number of
Reporting Person
(Voluntary)
4. Issuer Name and Ticker or Trading Symbol
American Industrial Properties REIT (NYSE Ticker Symbol: IND)
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
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Officer (give Other (specify
- ---- title below) ---- below)
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6. If Amendment, Date of
Original (Month/Day/Year)
7. Individual or Joint/Group
Filing (Check Applicable Line)
X Form filed One Reporting Person
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Form filed by More than One Reporting Person
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Table I -- Non-Derivative Securities Beneficially Owned
<CAPTION>
1. Title of Security 2. Amount of Securities 3. Ownership 4. Nature of Indirect Beneficial
(Instr. 4) Beneficially Owned Form: Direct Ownership (Instr. 5)
(Instr. 4) (D) or Indirect
(I) (Instr. 5)
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<S> <C> <C> <C>
Common Shares of Beneficial (I) 627,943 Throgh Corporation
Interest 658,269 (I) 30,326 Through Partnership
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Reminder: Report on a separate line for each class of securities
beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, (Over)
see Instruction 5(b)(v). SEC 1473 (7-96)
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FORM 3 (continued) Table II Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
<CAPTION
1. Title of Derivative 2. Date Exer- 3. Title and Amount of 4. Conver- 5. Owner- 6. Nature of
Security cisable and Securities Underlying sion or ship Indirect
(Instr. 4) Expiration Derivative Security Exercise Form of Beneficial
Date (Instr. 4) Price of Deriv- Ownership
(Month/Day/Year) Deriv- ative (Instr. 5)
---------------------------------------------------------- ative Security:
Date Expira- Amount Security Direct
Exer- tion Title of (D) or
cisable Date Number Indirect
of (I)
Shares (Instr. 5)
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<S> <C> <C> <C> <C> <C> <C> <C>
</TABLE>
Explanation of Responses:
**Intentional misstatements or omissions of facts constitute Federal
Criminal Violations.
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed.
If space is insufficient, See Instruction 6 for procedure.
Potential persons who are to respond to the collection of information
contained in this form are not required to respond unless the form
displays a currently valid OMB Number.
Morgan Stanley, Dean Witter, Discover & Co.
By: /s/ Stewart J. M. Breslow July 18, 1997
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**Signature of Reporting Person Date
Name: Stewart J. M. Breslow
Title: Authorized Signer
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SEC 1473 (7-96)
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