Its front dial, operated by a hand crank, tracked the positions of the ... But perhaps most impressive was the inclusion of a pin-and-slot mechanism that simulated the moon’s variable velocity ...

There are engine assemblers, and then there are engine builders. It's one thing to merely bolt a bunch of parts together.

A cam and follower mechanism has two main parts: Cams can be produced in any shape, but the most common shapes are: Eccentric/off-centre Eccentric cams use an off-centre pivot to cause the ...

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