Calculating Machines and Calculating Aids

1) Gem Adding Machine, c. 1915, Automatic Adding Machine Co., New York, 5-row chain adder, chrome version, serial no. 401697. - 2) Bair-Fulton Arithmetician Calculator No. 7, c. 1930, Bair-Fulton Co., USA, 7-digit number slider, input discs divided for addition and subtraction, without automatic tens carry, length 11 ¼ in. - 3) S&N chain adder, c. 1915, Seidel & Naumann, Dresden, no. 11518, 9 digits, in box. - 4) The Rapid Computer, c. 1900, Rapid Computer Co., Benton Harbor, no. 4474, 9-digit rack-and-pinion adder, in box. - 5) Stima MS-III, c. 1952, Albert Steinmann, Switzerland, no. 32366, 9-digit rack-and-pinion adder, with French instructions. - 6) Lightning Calculator, c. 1925, The Lightning Calculator Co., Grand Rapids, 7-digit disc adder, on desk-shaped wood base. - 7) Dial-A-Matic, c. 1960, Sterling Plastics Co., USA, 4-digit adder, plastic, with pen in box. - 8) See-"Calculator", c. 1968, Sterling Plastics Co., USA, 4-disc adder, transparent plastic. - 9) Comptator, c. 1910, small rack-and-pinion adding machine by Hans Sabielny, manufacturer: Schubert & Salzer, Chemnitz, Germany, 13 digits, serial no. 19022, with pen in case. - Literature: Martin, p. 231. - 10) Summator, c. 1920, small rack-and-pinion adding machine by Hans Sabielny, 9 digits, serial no. 1488, in case. - And: 11) Stima Junior, c. 1935, Albert Steinmann, Switzerland, no. 4174, 5-digit rack-and-pinion adder.

布雷克拍品等级是为了方便竞买人判断拍卖品的成色而设置的。布雷克等级用1到6级来标注外观和功能的成色，(从非常好到非常差)。 在目录图册里用括号里的2个数字来表示，前一个数字表示外观成色的级别，后一个数字表示功能成色的级别。如(3/2)表示外观成色是3(满意的)，功能成色2(好)。 成色 定义参照下列标准： 1 - 非常好 (未使用过，没有使用痕迹) 2 - 好 (新，极少的使用痕迹) 3 - 满意的 (普通的使用痕迹) 4 - 及格的 (明显的使用痕迹，某个非主要部件是后配的) 5 - 有缺陷的 (极明显的使用痕迹, 某个主要部件是后配的，功能上有缺陷，需要修理) 6 - 非常差 (严重破损, 缺少重要部件)