Category:Underwood Sundstrand adding machines
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Media in category "Underwood Sundstrand adding machines"
The following 3 files are in this category, out of 3 total.
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The Sundstrand Speed junior model.jpg 2,961 × 3,725; 2.86 MB
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Underwood Sundstrand adding machine - Ridai Museum of Modern Science, Tokyo - DSC07539.JPG 3,514 × 4,552; 7.72 MB