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Lot 0363
"The Adder", 1868
The first 2-disc brass adder by C.H. Webb, New York. The early model on wooden base. US patent: 10 March 1868.

"The Adder" - Das Ur-Modell, 1868
Erstes Modell des 2-Scheiben-Addierers mit Zehnerübertragung. Von C.H. Webb, New York. Frühes Messingmodell auf Holzsockel. U.S.-Patent: 10.03.1868. - Literatur: Martin, S. 67.

Start Price: EUR 120

Condition

(2-3/2)

Starting Bid

€120.00

Buyer's Premium

  • 26.8%

The Adder, 1868

Auction ended on Sat, May 26, 2018
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Estimate €200 - €400
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