This vintage book contains a catalogue of watches in the Paul M. Chamberlain collection at the Art Institute of Chicago. Each item has an accurate illustration, working diagrams, and information pertaining to its origin, date of manufacture, components, construction techniques, and more. This volume is highly recommended for those with an interest in vintage watches and would make for a worthy addition to collections of allied literature. Contents include: 'Action of Verge as Rotated by Escape Wheel', 'Action of Chinese Duplex', 'Action of Cylinder as Rotated by Escape Wheel', 'Perspective Cylinder and Escape Wheel', 'Cylinder by Graham', 'Debaufre Escapement', 'Action of Rack and Lever', 'Rack and Lever by Litherland' etc. Many vintage books such as this are increasingly scarce and expensive. We are republishing this volume now in an affordable, modern edition complete with a specially commissioned new introduction. First published in 1921.