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LOT 0363

The Adder, 1868

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"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 Report: (2-3/2)


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Time, Location
26 May 2018
Germany, Koeln
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[ translate ]

"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 Report: (2-3/2)

Sale price
Unlock
Estimate
Unlock
Time, Location
26 May 2018
Germany, Koeln
Auction House
Unlock
View it on