File:What's That (30).jpg

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Original file (1,934 × 1,476 pixels, file size: 1.41 MB, MIME type: image/jpeg)

Captions

Captions

Two Electronic Associates analog computers, TR-20 and TR-10
Description Photo of 2 old analog computers used for solving differential equations in real time. It was programmed by electrical wires connecting summation point operational amplifiers. The units were in use around 1965 to 1970. The models TR-20 (left) and TR-10 (right) were manufactured by Electronic Associates, Inc. (EAI)
What's That? (30)
Date
Source Flickr
Author Steve Jurvetson from Menlo Park, USA
Reviewer
InfoField
MattKingston
w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by jurvetson at https://www.flickr.com/photos/44124348109@N01/3336157. It was reviewed on 19 April 2007 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

19 April 2007

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Date/TimeThumbnailDimensionsUserComment
current23:29, 18 October 2005Thumbnail for version as of 23:29, 18 October 20051,934 × 1,476 (1.41 MB)FlickrLickr (talk | contribs){{flickr| |title=What's That? (30) |description=What is this and what does it do? |photographer=Steve Jurvetson |photographer_location=Menlo Park, USA |photographer_url=http://flickr.com/photos/44124348109@N01 |flickr_url=http://flickr.com/photos/44124348

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