Horological Meandering

Last post I claimed that gear wheels were just advanced levers, and as with most things, its the details that make it interesting. Gear wheels have complex parameters that define the shape of their teeth and standards have been established for their manuf...  

behind this seemingly simple but important component of a watch. I am no mechanical engineer but clearly we should all appreciate the work done here by early watch makers.

The incrementally accumulated knowledge in mechanical watchmaking is impressive.