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.
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.
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
