1 results containing "Stereographs--1950-1960."
Larger image available anywhere (1)
Larger image available only at the Library of Congress
Highway road sign acuity test
c1957 July 11. | 1 photographic print on stereo card | Keystone View Company.SSF - Optics [item] [P&P] | LC-USZ62-130206 (b&w film copy neg.)
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