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alb3816995

mechanical calculator

Monroe brand semi-automatic adding calculator, 1950s model.
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Title:
mechanical calculator
Caption:
Monroe brand semi-automatic adding calculator, 1950s model.
Credit:
Album / NYPL/SCIENCE SOURCE
Releases:
? Model Release: No - ? Property Release: No
Rights questions?
Image size:
3507 x 2868 px | 28.8 MB
Print size:
29.7 x 24.3 cm | 11.7 x 9.6 in (300 dpi)
Keywords:
1950S • 50S • ADDING • ANALOG • AND • B & W • B / W • B W • B&W • BLACK & WHITE • BLACK AND WHITE • BLACK • BW • CALCULATING MACHINE • CALCULATOR • DESK • DESKTOP • HISTORIC • HISTORICAL • HISTORY • MACHINE • MECHANICAL • MONOCHROMATIC • MONOCHROME • OFFICE • RETRO • WHITE