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A. Lange & Söhne

Thanks Dje for a fantastic read ...

 

Do the other PLM's make use of the same full winding locking mechanics?
I think the old Tourbillon PLM uses a different low winding locking
device but I am not sure.

And I think this Richard Lange Pour le Merite uses a different seconds-
hack mechanics (hacking when you pull the crown), can you acknowledge
that? I mean, that lever below the balance, that is the hacking or
balance-stop lever, isnt it?

Again, a great article which I read whilest drooling all over my
computers keyboard.

Edwin

btw, I think it isnt the torque that is delivered by the mainspring
that decreases when the mainspring unwinds, but rather the force
delivered by that spring. To keep the torque delivery of the
mainspring to the wheeltrain and escapement constant, the lever (fusee
diameter) increases with the decreasing force from the mainspring.

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