I had an interesting idea for a movement layout the other week and I would love to lay it out into CAD.

I have Daniels’ book of watchmaking which is great and gives me ideas of tooth profiles, and some escapement layouts, but I’d really love to have a reference regarding the balance springs, frequencies and the relationship between them and the size/mass of the balance. It’d be great to have some idea for mainspring and barrel specs too.

Does anyone know of any good books that tackle these subjects in some technical detail?


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