LOT 13
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Calculators and Calculating Aids
作品估价：EUR 350
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成交状态：待拍
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25%
图录号：
13
拍品名称：
Calculators and Calculating Aids
拍品描述：
1) Calculating disc for weights and measurements (Boussole des poids et mesures), France, c. 1900, Ø 6 4/5 in. – 2) Gem Adding Machine, c. 1915, Automatic Adding Machine Co., New York, 9-row chain adder, serial no. 413480. – 3) Thales, c. 1922, German spokewheel machine made by Thaleswerke GmbH, Rastatt/Baden. With 6, 5 and 10 digits, serial no. 18233, working. – 4) Chain adder by Seidel & Naumann, Dresden, no. 11776, c. 1910. 9 rows, with case, mechanism slightly jammed. – 5) Addometer, disc adder for old English currency, in box. – 6) Comptator, 1908. 9-digit rack-and-pinion small adder by Hans Sabielny, Dresden. Manufacturer: Schubert & Salzer, Chemnitz. Mechanism hooked. – Literature: Martin, S. 231. – 7) 3 different number slide adding machines. – And: 8) Certa, c. 1910, Pallweber & Bordt, Mannheim, 3-digit adding machine with pawl drive and zero adjuster on the left side, 9 keys, serial no. 2417, mechanism hooked.
品相: (3/–)
品相: (3/–)