| | Electromechanical Calculating Machines from the 1960's (mortati.com) |
| 40 points by Teever 7 months ago | past | 9 comments |
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| | [dupe] The ternary calculating machine of Thomas Fowler (mortati.com) |
| 1 point by jacquesm on Jan 5, 2015 | past | 1 comment |
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| | The Ternary Calculating Machine of Thomas Fowler (mortati.com) |
| 47 points by tgrass on June 15, 2014 | past | 6 comments |
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| | The ternary calculating machine of Thomas Fowler (mortati.com) |
| 1 point by voodoochilo on March 25, 2012 | past |
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