130mm long,105mm wide; gray anodized color; plastic guide;

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Size: 5616px × 3744px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1910s, 20th, air, art, cellulose, century, color, colour, computer, computing, cp, education, educational, general, gmbh, goerz, heritage, institution, instrument, instruments-computers, metal, museum, nasm, national, object, plastic, purpose, scientific, smithsonian, space, technology