But these machines were by no means the first calculators, and [What Will Makes] shows us in detail the workings of a mechanical calculator. His machine is beautifully made with gears hand-cut ...

Back then, if you wanted help with any arithmetic with more than just a few operations, some kind of mechanical calculator was your only choice. From simple “one-banger” adding machines to ...

Interesting Fact: The production debut of the Arithmometer in 1851 launched the mechanical calculator industry. The Arithmometer was the only type of mechanical calculator commercialized from 1878 to ...

It was, in fact, the best portable mechinical calculator to be invented and is an example of the extreem refinement of mechanical engineering before electronics took over. It is a lovely object to ...

Wilhelm Schickard builds the first mechanical calculator in 1623. It can work with six digits, and carries digits across columns. It works, but never makes it beyond the prototype stage.