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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:
Mail Code 015A-74
Pasadena, California 91125
Please note: Access to the Caltech Archives for the non-campus community is by appointment only.
The Caltech Archives Staff
Head, Archives and Special Collections
Assistant Archivist for Digital Projects
Archivist for Reader Services
Senior Project Archivist
Associate Archivist for Digital Collections Development
Senior Archivist for Collection Management
Maria (Mariella) Soprano
Archives Reading Room Hours:
Monday through Friday
8:30 a.m. to 11:45 a.m. and 1 p.m. to 4 p.m.
We are closed on weekends and major U.S. holidays.
- Friday, July 3rd 2015 (Independence Day Observed)
- Monday, September 7th 2015 (Labor Day)
- Thursday, November 26th-Friday, November 27th 2015 (Thanksgiving Holiday)
- Friday, December 25th 2015-Friday, January 1st 2016 (Christmas-New Year Holidays)