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Vintage SUMIT hand-operated mechanical adding machine/calculator, made in the USA and attributed to Pearl Engineering Corp., New York. Estimated circa 1950s–early 1960s.
Compact mid-century office machine features eight numbered setting columns, mechanical total display, side crank with cream handle, textured blue-gray metal housing, contrasting cream and green controls, and original SUMIT graphics.
Displays excellent authentic industrial character with age-related paint loss, scuffs, scratches, discoloration and wear throughout.
No restoration is apparent from the photographs. A striking collectible for vintage office-machine, calculator, mechanical-device and industrial-design collections, as well as distinctive desk, library or office decor.
Operational condition has not been confirmed.
Maker: Pearl Engineering Corp., New York
Brand: SUMIT
Type: Manual mechanical adding machine / calculator
Country: USA
Estimated era: c. 1950s–early 1960s
Material: Painted metal housing with metal mechanism and plastic components
Approx. size: A matching example is listed at 7” × 5.5” × 4.75”
