Titles published by Gruen Watch Guild:
Number of documents found: 2
- Gruen,
Title: Gruen Guild Book [The...] - [High Resolution Scan of 1929 edition plus 1931 supplement- on CD ROM]
Keywords: watch
Other Keywords: Gruen Guild
Edition: 2000 e-book ed of 1929
BHM No: 18165 - Gruen Watch Company
Title: Gruen Precision Electronic - Gruen Technical Bulletin - Gruen Movement Ref. 150 CA [ca. 1970s]
Keywords: electromechanical electronic watch adjusting
Edition: 1970s, undated
Page or pages: 12
BHM No: 18191
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