![Master Watchmaking Lesson 23](/media/uploads/2019/1/26/master-watchmaking-lesson-23.jpg)
Master Watchmaking Lesson 23
Tags:
Thomas Sweazey
A home study booklet on watch repair. Lesson 23: Types of Escapements. Sections 414-420.
A home study booklet on watch repair. Lesson 23: Types of Escapements. Sections 414-420.