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JerseyTomater
Diamond Enthusiast

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Posted
Who invented the annular clock ?
 
Posts: 3009 | Location: NJ, USA | Registered: 06-03-02Reply With QuoteEdit or Delete MessageReport This Post
frankvan
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If I understand this website it was Theo Hahn and Anton Meyer, U.S Patent 117,442, July 25, 1871. Judge for yourself:
http://www.watchclocks.org/154_imhauser.html
 
Posts: 7131 | Location: Baltimore, MD, U.S.A | Registered: 06-03-02Reply With QuoteEdit or Delete MessageReport This Post
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