Practical course in adjusting
Subtitle: comprising a review of the laws governing the motion of the balance and balance spring in watches and chronometers, and application of the principles deduced therefrom in the correction of variations of rate arising from want of isochronism, change of position and variation of temperature ...
By: By Theo. Gribi.
Publisher: The Jewelers' circular pub. co.
Published: 1901
Place of publication: New York
Language: eng
Number of pages: 196
Subjects: Clock and watch making.