Model of half dead-beat escapement
Model of half dead-beat escapement. (Ex. B.C.H. Exhibition, No.12)
Details
- Category:
- Time Measurement
- Object Number:
- 1952-342
- Materials:
- timer, regulating, equilibrium, recoil-operated and reproduction
- type:
- half deadbeat escapement and model
- credit:
- Mr. and Mrs. Charles Hobson