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OT: Binary marble adding machine - Printable Version +- HP Forums (https://archived.hpcalc.org/museumforum) +-- Forum: HP Museum Forums (https://archived.hpcalc.org/museumforum/forum-1.html) +--- Forum: Old HP Forum Archives (https://archived.hpcalc.org/museumforum/forum-2.html) +--- Thread: OT: Binary marble adding machine (/thread-147329.html) |
OT: Binary marble adding machine - DaveJ - 02-21-2009 This is neat:
Dave.
Re: OT: Binary marble adding machine - Dave Shaffer (Arizona) - 02-21-2009 This may be the origin of "lost your marbles"!
Re: OT: Binary marble adding machine - Juergen Keller - 02-22-2009 You'll find links to other strange calculators on strangecalc.ch. Have a look at the R500/7T relay computer built by a colleague; the machine is located in the office where I work. Re: OT: Binary marble adding machine - Paul Dale - 02-22-2009 My wife wants me to make such a machine out of Meccano (my other addiction/hobby). I've resisted so far...
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