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Author Topic: Edmondson's Circular Calculating Machine (1883)  (Read 1267 times)
markf
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« on: February 24, 2009, 02:09:58 pm »

I had never heard of this specific machine, so when I saw it on Ebay today it just knocked my socks off.
Spoiler (click to show/hide)
An additional description of how it works is at the IBM archives website, and the link I just posted in the 'British Ebay Finds' thread is also below.  markf
http://www-03.ibm.com/ibm/history/exhibits/attic3/attic3_117.html
http://cgi.ebay.com/EDMONDSON-CIRCULAR-CALCULATOR-ARITHMOGRAPH-1880s_W0QQitemZ140303503594QQihZ004QQcategoryZ361QQssPageNameZWDVWQQrdZ1QQcmdZViewItem


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« Reply #1 on: February 24, 2009, 02:26:40 pm »

Consider my socks well and truly knocked as well! Absolutely phenomenal, a real landmark in calculation Smiley
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« Reply #2 on: March 04, 2009, 02:25:45 am »

This is new to me, and I thought I had seen them all.

The winning bid was GBP 20,756.00 (approximately US $29,069.82), a tad out of our price range.
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