Pictured: Patent Celluloid Watch Dial from the Keystone Watch Company with excerpt from the March 1888 issue of The Jewelers’ Circular and Horological Review. In February 1888, while Abraham Bitner.
Pictured: The Lancaster Watch Company Factory, Published in History of Lancaster County, Pennsylvania by Ellis and Evans, 1883 The accompanying image represents the Lancaster Watch Company factory as it appeared.
Pictured: Flat Metal Reverse of Celluloid Watch Dial from the Keystone Watch Company One of the primary claims of distinction in Abraham Bitner’s 1881 patent application for his paper dial.
Pictured: Edge of Celluloid Watch Dials from the Keystone Watch Company Showing Paper Substrate Despite the failure of Abraham Bitner’s patented paper dial at the Lancaster Watch Company during the.
