Titles written by H.R. Langman:
Number of documents found: 1
- H.R. Langman, A. Ball
Title: Electrical Horology
SubTitle: A practical Manual on the application of the pronciples and practice of electricity to horological I
Keywords: electric
Other Keywords: Bain Hipp Campiche Murday Magneta Shepard Richie Hope-JONES
Edition: 1946 3rd Revised and enlarged edition
Page or pages: 200
BHM No: 299
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