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NOAA Photo Library Image - cgs00449

Operating the 50-inch camera designed by Captain Otis Reading, USC&GS. After the compilation drawing is completed, glass plates negatives were made by this precision camera, capable of photographing images up to 50 inches square. The error in reproducing images of this size was less than one thousandth of an inch.

Image ID: cgs00449, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Washington, D.C.

High Resolution Photo Available

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Last Updated:
June 10, 2016