Operating the 50-inch camera which was invented by Lieutenant Otis Reading
during the 1930's. This camera could photograph images up to 50 inches square.
It would reproduce images with an error of less than one thousandth of an inch.
Image ID: cgs00453, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Washington, D.C.
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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November 10, 2017