First-Hand:The First Quartz Wrist Watch: Difference between revisions
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== Content: == | == <u>Content:</u> == | ||
== 1. Introduction == | == 1. Introduction == |
Revision as of 14:58, 14 March 2009
The First Quartz Wrist Watch
by Armin H. Frei, LSM
Former Research Staff Member Centre Electronique Horloger