OT: Binary marble adding machine


This is neat:




This may be the origin of "lost your marbles"!


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.

Enjoy, Juergen


My wife wants me to make such a machine out of Meccano (my other addiction/hobby). I've resisted so far...

- Pauli

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