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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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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.
- Monday, February 16th 2015 (President's Day)
- Monday, May 25th 2015 (Memorial Day)
- 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)