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Pretty Please - add it to our Events forum(s) and add to the calendar! >> 
Computers - before electronics!
- Thread starter NutmegCT
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mikephillips
Yoda
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The old adding machines. type in the numbers, pull the handle and the internal gears came up with an answer as you watched the bars with the 0 through 9 for each column come up different heights to stamp them out.
OP
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And lest we forget ...
Babbage's "Difference Engine" of the 1820s.
www.computerhistory.org
Just "program" the functions, crank the handle, the gears go 'round and 'round, and the answer comes out printed on a piece of paper!
Babbage's "Difference Engine" of the 1820s.
The Babbage Engine | Babbage Engine | Computer History Museum
Just "program" the functions, crank the handle, the gears go 'round and 'round, and the answer comes out printed on a piece of paper!
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Glad I had a programmable TI-59 back in the day.