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Stereoscope

Stereoscope
Manufactured by Q-O-S Corporation, New York for the U.S. Army Corp of Engineers. Although originally designed for military reconnaissance work, this type of instrument was used for map reading of aerial photographs up to 8".

Object ID: USGS-000235


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URL: http://www.usgs.gov/aboutusgs/who_we_are/museum/collections/000235_stereoscope.asp
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Page Last Modified: Thursday, October 01, 2009