LOT 10
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4 Calculating Aids
作品估价：EUR 280
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成交状态：未知
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25%
图录号：
10
拍品名称：
4 Calculating Aids
拍品描述：
1) Loga calculating drum, c. 1930, logarithmic calculator, 12 ½ in. wide, made by Daemen, Schmidt & Co., Zurich. – 2) The Adal Calculator, 1907 onwards, The Adal Co., Birmingham, Britain. Aluminum single-column adding machine based on a hundred-tooth disc, Ø 7 ¾ in., in box. – 3) Slide calculator "Raymond", France, with pen in box. – And: 4) Calculating disc "Morin", France, c. 1900, Calculimètre G. Charpentier, Ø 2 1/3 in.
condition: (3/3)
condition: (3/3)