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File:Bridge Laboratory 1921.png

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Summary

Description
English: Bridge Physical Laboratory at the California Institute of Technology in 1921
Date
Source The Big T (yearbook of California Institute of Technology), 1920–1923
Author Unknown authorUnknown author
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: The Big T 1921.pdf
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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Bridge_Laboratory_1921.png

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Bridge Physical Laboratory at the California Institute of Technology in 1921

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