Titles written by Oran S. Emrich:
Number of documents found: 1
- George E. Townsend, Oran S. Emrich, Roy Ehrhardt
Title: American Pocket and Wrist Watch Balance Staff Interchangeability List
Keywords: reference balancewheel practical
Other Keywords: staff
Edition: 1984
Page or pages: 36
BHM No: 10596
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