Leibnitzrechenmaschine.jpg
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Summary
| Description |
Deutsch:
Nachbau einer Rechenmaschine von 1700 von
de:Gottfried Wilhelm Leibniz
English:
The Staffelwalze, or
Stepped Reckoner
, a digital
calculating machine
invented by
Gottfried Wilhelm Leibniz
around 1672 and built around 1700, on display in the
Technische Sammlungen museum
in Dresden, Germany. It was the first known calculator that could perform all four arithmetic operations; addition, subtraction, multiplication and division. 67 cm (26 inches) long. The cover plate of the rear section is off to show the wheels of the 16 digit accumulator. Only two machines were made. The single surviving prototype is in the National Library of
Lower Saxony
(Niedersächsische Landesbibliothek) in
Hannover
; this is a contemporary replica.
|
| Source | recorded by me in de:Technische Sammlungen der Stadt Dresden (with photo permission) |
| Author | User:Kolossos |
|
Permission
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License , Version 1.2 or any later version published by the Free Software Foundation ; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License . |
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | |
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