Horological Journal [1962] - The official Organ of the British Horological Institute, Text only, :: Number of documents found: 1
(8097) Development of the Magnetic Escapement
- Author: Clifford, C.F. :: Year Vol (No) Month (or Chapter/Auction item): 1962 apr :: Pages: 214-217
- Comments and/or Abstract > history + use
in Junghans clock