Usage Conditions May ApplyUsage Conditions ApplyThere are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page.
IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections.
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https://iiif.si.eduView ManifestView in Mirador ViewerUsage Conditions May ApplyUsage Conditions ApplyThere are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page.
IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections.
More -
https://iiif.si.eduView ManifestView in Mirador Viewer
Sid Parks, founder of Park Aerial Surveys, built this precision mapping camera to the design specifications of the U.S. Geological Survey. With two wide-angle, 6-inch lenses and synchronized shutters, the camera produced pairs of exposures that overlapped to form stereoscopic photos with minimal distortion. The Twinplex was one of several multiplex cameras developed for precision topographical mapping. A film magazine is to the left.
Country of Origin
United States of America
Type
EQUIPMENT-Photographic
Physical Description
Twin-lens design with only one lens (Aerotar 8 1/4" f:6.8); twin lens caps with leather straps. One film magazine, with handle and shutter trip, and one uptake spool magazine and turn knob.
Dimensions
Camera body: 14 x 22 x 15in., 40lb. (35.6 x 55.9 x 38.1cm, 18.1kg)
Magazine #51: 11 x 12 x 12in., 25lb. (27.9 x 30.5 x 30.5cm, 11.3kg)
Uptake magazine #52: 9 x 12 x 13in., 15lb. (22.9 x 30.5 x 33cm, 6.8kg) Materials
Cast aluminum with stainless steel trim Inventory Number
A20020258000
Credit Line
Gift of Park Aerial Surveys, Inc. Donated by the Rankin Family.
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
For more information, visit the Smithsonians Terms of Use.
