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Miss C.L. Larry [i.e. Torrey] testing radium, Bu. of Standards, 8/17/25
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Miss C.L. Larry [i.e. Torrey] testing radium, Bu. of Standards, 8/17/25

1925-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

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glass negatives
Credit lineMiss C.L. Larry [i.e. Torrey] testing radium, Bu. of Standards, 8/17/25. 1925-01-01. National Photo Company Collection, Library of Congress. Public domain.
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Miss C.L. Larry [i.e. Torrey] testing radium at Bu. of Standards, [8/17/25Miss C.L. Larry [i.e. Torrey] testing radium at Bu. of Standards, [8/17/25 NO CAPTIONNO CAPTION Woman, Bureau of StandardsWoman, Bureau of Standards SEAL OF THE UNITED STATES. STAMPING BONDSSEAL OF THE UNITED STATES. STAMPING BONDS Miss Theresa Karger of Wash., D.C., Chief of the Chemical Lab. of Mt. Alto U.S. Veterans HospitalMiss Theresa Karger of Wash., D.C., Chief of the Chemical Lab. of Mt. Alto U.S. Veterans Hospital Checks railroad signal glasses for government. Washington, D.C., Sept. 29. Red should be read and orange should be orange and never should the colors in railroad signal glasses be so near alike as to confuse a trainman. The Government, through Mrs. Geraldine W. Haupt, Color Expert of the National BuChecks railroad signal glasses for government. Washington, D.C., Sept. 29. Red should be read and orange should be orange and never should the colors in railroad signal glasses be so near alike as to confuse a trainman. The Government, through Mrs. Geraldine W. Haupt, Color Expert of the National Bu