paris2006 : things : breguet : Watchmaking Instruction

[breguet] A few pages from A. L. Breguet on the design of a Tourbillon
aperture=f/2.8 focal=7.4mm (35mm equivalent: 35mm) exposure=0.033 s (1/30)

Photo album generated by album a MarginalHack written by D. Madison Wed Sep 15 17:11:43 2010

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