A Practical Treatise On The Balance Spring
Subtitle: Including Making, Fitting, Adjusting To Isochronism And Positions And Rating
Publisher: Franklin Classics
Published: Oct 15, 2018
Format: paperback
Number of pages: 168
ISBN-13: 9780343202316
Notes: Source title: A Practical Treatise On The Balance Spring: Including Making, Fitting, Adjusting To Isochronism And Positions And Rating