5 Mechanical Adding Machines

5 Mechanical Adding Machines
1) Golden Gem Adding Machine, chain adder, USA, 1904 onwards. - 2) 2 x Comptator, Hans Sabielny, Dresden, rack adders. - 3) The Rapid Computer, USA, rack adder. - And: 4) Summator, Sabielny, Dresden, rack adder.

5 mechanische Addierer
1) Golden Gem Adding Machine, Kettenaddierer, USA, ab 1904. - 2) 2 x Comptator, Hans Sabielny, Dresden, Zahnstangenaddierer. - 3) The Rapid Computer, USA, Zahnstangenaddierer. - Und: 4) Summator, Sabielny, Dresden, Zahnstangenaddierer.

Start Price: EUR 80
Condition Report: (3/2-3)