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Naval History and Heritage Command

NH 79348 German Goerz "Ring Center Image" Periscope

Photo #: NH 79348 German Goerz "Ring Center Image" Periscope
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Title: German Goerz "Ring Center Image" Periscope
Description: Photo #: NH 79348 German Goerz Ring Center Image Periscope Halftone reproduction of the image seen through this type of periscope, which was developed prior to World War I. This is Figure 1 of The Science of Low Visibility and Deception as an Aid to the Defense of Vessels Against Attack by Submarines, by Lindell T. Bates. Published by the Submarine Defense Association, New York City, 1918. In 1974 the original volume was in Record Group 45 at the U.S. National Archives. U.S. Naval History and Heritage Command Photograph.
Catalog #: NH 79348
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