Brown binocular film viewer made of phenol formaldehyde

Made:
1920-1940
Brown binocular film viewer made of phenol formaldehyde

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Brown binocular film viewer made of phenol formaldehyde
Science Museum Group
© The Board of Trustees of the Science Museum

Brown binocular film viewer made of phenol formaldehyde, with original box, with "Tru-Vue" on the front and the rear, and U.S. PAT 90564 on objective, made by TRU-VUE, Inc., Rock Island, Illinois, U.S.A., 1920-1940

Details

Category:
Plastics and Modern Materials
Object Number:
2005-316
Materials:
phenol formaldehyde (unspecified), glass and cardboard
Measurements:
: 2.2835 x 4.7244 x 2.9528 in.; 58 x 120 x 75 mm
type:
binocular viewer
credit:
Frangenberg, Tomas