04-20-2021 04-29-2021
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3595T Marlborough
April 20, 2021 12:00 PM - April 29, 2021 07:00 PMCalender

Thatcher Calculator Instrument

Auction: Clocks, Watches & Scientific Instruments - 3595T Location: Marlborough Date / Time: April 20, 2021 12:00PM


Thatcher Calculator Instrument, patented by Edwin Thatcher, November 1881, Keuffel & Esser, New York, with inner sliding cylinder, outer rotating "envelope" with printed scales, lacquered brass fittings, and mahogany base, in original mahogany case with label of Keuffel & Esser Co., Manufacturers of Mathematical & Surveying Instruments, 127 Fulton St. & 42 Ann St., New York, wd. 22 1/2 in.
Estimate $300-500

Items may have wear and tear, imperfections, or the effects of aging. Any condition statement given, as a courtesy to a client, is only an opinion and should not be treated as a statement of fact. Skinner shall have no responsibility for any error or omission.


KEUFFEL & ESSER CO, Edwin Thatcher