Thomas Sweazey, Byron Sweazy - Master Watchmaking Lesson 25
Chicago School of Watchmaking | 1962 | ISBN: N/A | English | 16 pages | PDF | 4 MB
Chicago School of Watchmaking | 1962 | ISBN: N/A | English | 16 pages | PDF | 4 MB
A home study booklet on watch repair. Lesson 25: Drawing the Lever Escapement. Sections 435-442.