Arkivism
Testing airplanes lenses used in map making. Washington, D.C., May 6. Dr. F.E. Washer of the U.S. Bureau of Standards testing the lens for the airplane cameras that are used by the Army and Navy. There are lights in the rear of the columnmeters and exposures are made on the photographic plate in fro
Public domain

Testing airplanes lenses used in map making. Washington, D.C., May 6. Dr. F.E. Washer of the U.S. Bureau of Standards testing the lens for the airplane cameras that are used by the Army and Navy. There are lights in the rear of the columnmeters and exposures are made on the photographic plate in fro

Harris & Ewing · 1937-01-01 · photo, print, drawing

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

Subjects
glass negativesunited statesdistrict of columbiawashington (d.c.)
Credit lineTesting airplanes lenses used in map making. Washington, D.C., May 6. Dr. F.E. Washer of the U.S. Bureau of Standards testing the lens for the airplane cameras that are used by the Army and Navy. Ther. 1937-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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