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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





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:

Fax (626) 395-4073
Telephone (626) 395-2704
U.S. Mail Caltech Archives
Mail Code 015A-74
Pasadena, California 91125


The Caltech Archives Staff

Head, Archives and Special Collections
Archives phone (626) 395-2704

Kristen Abraham
Assistant Archivist for Digital Projects

(626) 395-2704

Loma Karklins
Archivist for Reader Services
(626) 395-2704

Nurit Lifshitz
Senior Project Archivist
Archives phone (626) 395-2704

Elisa Piccio
Associate Archivist for Digital Collections Development

(626) 395-2502

Maria (Mariella) Soprano
Senior Archivist for Collection Management

(626) 395-2501


Archives Reading Room Hours:
Monday through Friday
8:30 a.m. to 11:45 a.m. and 1 p.m. to 4 p.m.

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:

  • Thursday, November 26th-Friday, November 27th 2015 (Thanksgiving Holiday)
  • Friday, December 25th 2015-Friday, January 1st 2016 (Christmas-New Year Holidays)
  • Monday, January 18th 2016 (Martin Luther King Day)
  • Monday, February 15th 2016 (President's Day)
  • Monday, May 30th 2016 (Memorial Day)
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