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California Institute of Technology Professor Royal W. Sorensen and three students at switch mechanism, [Pasadena], 1929

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Title: California Institute of Technology Professor Royal W. Sorensen and three students at switch mechanism, [Pasadena], 1929
Date Created and/or Issued: 1929
Publication Information: Los Angeles Times
Contributing Institution: UCLA, Library Special Collections, Charles E. Young Research Library
Collection: Los Angeles Times Photographic Archives
Rights Information: US
UCLA Library Special Collections, A1713 Charles E. Young Research Library, Box 951575, Los Angeles, CA 90095-1575. Email: spec-coll@library.ucla.edu. Phone: (310) 825-4988
Description: Access to this collection is generously supported by Arcadia funds.
Royal W. Sorensen and three male students standing on three sides of switch mechanism on podium- or table-like structure, wtih other equipment in background
This photograph appears with Los Angeles Times article, December 8, 1929, Touch Controls Niagara of Power, New Leash Curbs Voltage, Switch Devised at Caltech Tames Thunderbolts; Millikan and Sorensen Back Development. Scientist Demonstrates Novel Mechanism: Prof. R.W. Sorensen presses button which releases 1,000,000 volts into the new Millikan-Sorensen vacuum switch. … Its purpose is to shunt Niagaras of power from one track to another. … “Heretofore high-voltage currents have been controlled by means of switches immersed in oil … In our switch we substitute a vacuum for the oil.” …
Text from nitrate negative sleeve: Sorensen, R. W., Prof., 1930
Type: image
Format: b&w nitrate negative
Identifier: 2970
uclamss_1429_2970
ark:/21198/zz002cm7cs
Language: No linguistic content
Subject: Education
Electric switches--California--Pasadena
Sorensen, Royal Wasson, 1882-1965
California Institute of Technology
Source: Los Angeles Times Photographic Collection

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