Researchers have created a computational model of the Antikythera mechanism to test how it worked. It was prone to jamming ...

Compound gear mechanism made up of 4 gears - gear B and gear C have a shared axel In a compound gear train with four gears, the driver gear (A) has 20 teeth and a driven gear (B) has 40 teeth ...

You can buy gears off the shelf, of course, and get accurately machined parts exactly to your chosen specification. However, there’s something rugged and individualist about producing your own ...

Once both the gear trains have been solved and the cog mechanisms have done their job all that's left to do it turn the wheel that is highlighted. That will open the hidden gate, letting Indy and ...