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File:Telefunken Rollkugel RKS 100-86 (bottom).jpg

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Description
English: The Telefunken Rollkugel was announced on October 2, 1968 – more than two months before Douglas Engelbart’s notorius demo of his mouse; it was routineley used by 1972, more than 9 years before the first mouse marketed in USA (with the Xerox Star)
Deutsch: Die Rollkugel der Firma AEG-Telefunken wurde am 2. Oktober 1968 angekündigt – über zwei Monate vor Douglas Engelbarts legendärer Demonstration seiner Maus; die Rollkugel war spätestens seit 1972 im Routinebetrieb, mehr als 9 Jahre vor der ersten in den USA (mit dem Xerox Star) vertriebenen Maus.
Date
Source Flickr: Unique mouse from Telefunken, pt. 1
Author Marcin Wichary
Permission
(Reusing this file)
This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 17 February 2013, 02:42 by Clusternote. On that date, it was confirmed to be licensed under the terms of the license indicated.
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Captions

Telefunken ''Rollkugel'' – the 1st computer mouse world-wide – view from below

Items portrayed in this file

depicts

inception

7 March 2008

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current02:42, 17 February 2013Thumbnail for version as of 02:42, 17 February 20133,888 × 2,588 (3.12 MB)Flickr upload botUploaded from http://flickr.com/photo/8399025@N07/2322836557 using Flickr upload bot
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