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Deflection galvanometer, composed of two stationary inner coils and one revolving outer coil. Possibly made in the Caltech Physics Shop, ca 1920s–1930s. Photo ID ST-PH-28

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The Archives Reading Room is CLOSED until further notice.
For research assistance please contact archives@caltech.edu

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To submit a request for an appointment or for copies of materials, please register for an Archives account. You may submit a request as soon as you have created your account.

For general inquiries, please contact us in the following manner:

The Caltech Archives Staff

Hours

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The Archives Reading Room is CLOSED until further notice.
For research assistance please contact archives@caltech.edu
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Archives Reading Room Hours:
Monday through Friday
8:30 a.m. to 11:45 a.m. and 1 p.m. to 4 p.m.
(early closing on Thursday mornings at 11:00)

Please note: Access to the Caltech Archives for the non-campus community is by appointment only. Campus community is encouraged to phone or write ahead to be sure of staff assistance and space availability.

We are closed on weekends and major U.S. holidays.

Upcoming holidays:

• Monday, May 25^th 2020 (Memorial Day)
• Friday, July 3^rd 2020 (Independence Day)
• Monday, September 7^th 2020 (Labor Day)
• Thursday, November 26^th- Friday, November 27^th 2020 (Thanksgiving Holidays)
• Monday, December 24^th 2020 - Monday, January 1^st 2021 (Christmas-New Year Holidays)