Archiu:Leibnitzrechenmaschine.jpg
Tamany d'esta vista prèvia: 800 × 600 píxels. Atres/s resolucions: 320 × 240 píxels | 640 × 480 píxels | 1024 × 768 píxels | 1280 × 960 píxels | 2048 × 1536 píxels.
Resolució completa. ((2048 × 1536 pixels, tamany de l'archiu: 1,3 MB, MIME tipo: image/jpeg))
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 (Reusing this file) |
GDFL |
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
|
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. |
  
|
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | |
| ||
| This licensing tag was added to this file as part of the GFDL licensing update. |
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
You may select the license of your choice.
Historial de l'image
Puncha en la data/hora per a vore l'image tal i com es mostrava en eixe moment.
| Data/Hora | Miniatura | Dimensions | Usuari | Descripció | |
|---|---|---|---|---|---|
| actual | 12:44 6 març 2016 | | 2048 × 1536 (1,3 MB) | wikimediacommons>Mr N | Reverted to version as of 12:29, 6 July 2006 (UTC) |
Enllaços a l'image
Les següents pàgines enllacen ad esta image:
