Mechanical Binary Calculator
Mechanical Binary Calculator Information Guide
About to Mechanical Binary Calculator

Cool little project that I undertook to learn a bit more about the very low level operation of computers and The 1954 machine Hamann 300 (so called version A) - semi automatic " ratchet" This is a demonstration of the marble adding machine i realized for a client. I was created initially by Matthias Wandel.
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Last Updated: June 11, 2026
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