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
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