Compensation balance with Kullberg's auxiliary
- maker:
- Thomas Mercer
Compensation balance with Kullberg's auxiliary
Details
- Category:
- Time Measurement
- Object Number:
- 1929-71
- Materials:
- balance-spring (for use with): steel and arms: bi-metallic
- Measurements:
-
overall (laid flat): 5 mm x 40 mm x 37 mm, 0.0091 kg
- credit:
- Thomas Mercer Ltd.