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Does this qualify as an Official Reference for Observatory Testing?

Aug 09, 2007,19:24 PM - (view entire thread)

3 Albert H. Potter Chronometer Detent pocket watches with helical hairsprings.























Hope you Enjoy. For more info on Albert H Potter see the VOX Article on Antiquorum website [direct link edited]

theCROWNprince




This message has been edited by MTF on 2007-08-10 08:05:19


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