"the Adder", 1868 - May 21, 2016 | Auction Team Breker In Germany
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"The Adder", 1868
"The Adder", 1868
Item Details
Description
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: € 120





Condition
(3/3)
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"The Adder", 1868

Estimate €200 - €400
See Sold Price
Starting Price €120
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Item located in Koeln, de
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