"The Calculus", 1907
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Description
The Calculus, 1907
American computing machine for multiplication and division, invented by Adolphus S. Dennis, Cleveland, OH. – Extraordinarily large calculating capacity. Patented on January 22, 1907, manufactured by "The James J. Hinde Co., Cleveland, OH". Size 18 ? x 4 ½ x 3 ? in. – Glass plate cracked. Patent copy included. – Very rare!
"The Calculus", 1907
Amerikanische Rechentrommel für Multiplikation und Division von Adolphus S. Dennis, Cleveland, OH. – Außerordentlich große Rechenkapazität. Patentiert am 22. Januar 1907, hergestellt von "The James J. Hinde Co., Cleveland, OH". Maße 46,5 x 11,5 x 9,8 cm. – Glas gesprungen. Patentkopie dabei! – Äußerst selten!
American computing machine for multiplication and division, invented by Adolphus S. Dennis, Cleveland, OH. – Extraordinarily large calculating capacity. Patented on January 22, 1907, manufactured by "The James J. Hinde Co., Cleveland, OH". Size 18 ? x 4 ½ x 3 ? in. – Glass plate cracked. Patent copy included. – Very rare!
"The Calculus", 1907
Amerikanische Rechentrommel für Multiplikation und Division von Adolphus S. Dennis, Cleveland, OH. – Außerordentlich große Rechenkapazität. Patentiert am 22. Januar 1907, hergestellt von "The James J. Hinde Co., Cleveland, OH". Maße 46,5 x 11,5 x 9,8 cm. – Glas gesprungen. Patentkopie dabei! – Äußerst selten!
Condition
(3/3)
Buyer's Premium
- 22.3%
"The Calculus", 1907
Estimate €700 - €1,200
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