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Thursday, May 14, 2026

Royal Air Force - 1940-1945 - Students learning how to use theodolites while…

Royal Air Force - 1940-1945 - Students learning how to use theodolites while…
Larry Imbeau, PLS - shared this collage of some shots from the middle 60’s…
Workers map the electrical system of Cambridge, Massachusetts in 1950
Kern NK-3

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