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Title: Stereoscope

Description: 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

Location: USA

Photographer: USGS Museum Staff , U.S. Geological Survey

Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.

Source:

USGS Museum Collection

File Details:
Type: JPEG image - 137.13 KB
Dimensions: 1305 x 837
Resolution: 72 dpi

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Tags: Army Corp Engineers Q-O-S Stereoscope U.S. USGS-000235 aerial military of photographs reconnaissance