Babbage Calculating Machine Article 1833
hilpert at cs.ubc.ca
Mon Nov 26 22:24:35 CST 2007
Brent Hilpert wrote:
> I haven't had time to read the article, but given the year and application
> (log tables) it sounds like what the reporter saw was Babbage's difference
> engine rather than analytical engine. The d-e was a calculator of a form
> and was completed (or largely so), but it was not programmable. The a-e was
> Babbage's uncompleted machine that looks more computer-like in modern terms.
> The a-e (was going to) use punch cards, the d-e did not. A little googling
> should bring up a lot more info to elaborate between the two.
..Correcting myself for the sake of accuracy: A little refresher reading
indicates I overstated the state of completion of the difference engine.
It was not completed. If I have it right this time, a functional portion of
it was and this is presumably what the reporter saw.
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