Antique Adding Machine - $150 (LAMPASAS)

275 CR 1024

make / manufacturer: Underwood

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Sundstrand adding machine. Use as office decor. None functioning. Had it in my office and a little kid played with and jammed it. Still a nice office decoration.

According to that source, serial numbers from 10,000 to 10,024 were manufactured in 1914
typecast.munk.org
typecast.munk.org
. This aligns with the historical record that the first commercial Sundstrand adding machine — the one with the now‑familiar 10‑key “3×3” keypad — was produced in 1914 by the Sundstrand Adding Machine Company
It could be a 1923 model

post id: 7983079791

posted: 2026-10-13 16:56

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Antique Adding Machine - tools - by owner - sale - craigslist

Sundstrand adding machine. Use as office decor. None functioning. Had it in my office and a little kid played with and jammed it. Still a nice office decoration. According to that source, serial...