LOT 20
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Peerless Calculating Machine, c. 1907
作品估价：EUR 450
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成交状态：未知
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25%
图录号：
20
拍品名称：
Peerless Calculating Machine, c. 1907
拍品描述：
Extremely rare German stepped-drum calculator by Math. Bäuerle, St. Georgen, Black Forest. 8 input sliders, 7-digit revolution counter, 12-digit results mechanism, defective, with decorative wood case. – Literature: Martin, p. 157. – Highly sought-after collector's item!
condition: (3/4-)
condition: (3/4-)