Thomas Sweazey, Byron Sweazy - Master Watchmaking Lesson 33
Chicago School of Watchmaking | 1962 | ISBN: N/A | English | 17 pages | PDF | 10.2 MB
Chicago School of Watchmaking | 1962 | ISBN: N/A | English | 17 pages | PDF | 10.2 MB
A home study booklet on watch repair. Lesson 33: Electronic Timing Machines.