On the springing and adjusting of watches : being a description of the balance spring and the compensation balance with directions for applying the spring and adjusting for isochronism and temperature /

Britten, F. J. 1843-1913,

On the springing and adjusting of watches : being a description of the balance spring and the compensation balance with directions for applying the spring and adjusting for isochronism and temperature / by F.J. Britten. - 152 pages : illustrations ; 19 cm


Clocks and watches.
Clocks and watches.

Adjust United Kingdom Balance wheel adjusting practical how-to Pocket Watch