Thomas Sweazey, Byron Sweazy - Master Watchmaking Lesson 24
Chicago School of Watchmaking | 1962 | ISBN: N/A | English | 23 pages | PDF | 8.2 MB
Chicago School of Watchmaking | 1962 | ISBN: N/A | English | 23 pages | PDF | 8.2 MB
A home study booklet on watch repair. Lesson 24: Drawing the Lever Escapement. Sections 421-434.