Pictured: Illustration, U.S. Patent #498575. On July 31, 1894, George E. Hunter was granted a patent for his notched dial foot design, created to easily and securely fasten watch dials..
Pictured: Closeup of Hamilton Watch Company Melamine Dial Showing Cracks, c.1952. After the experimental batches of the new melamine dials proved to be a success, the Hamilton Watch Company met.
Pictured: Melamine Dial Buffing Machines at the Hamilton Watch Company Factory, Excerpt from “Research Provides New Materials For R.R. Type Dials,” Timely Topics, July 1953. Around 1945, the Hamilton Watch.
Pictured: Newspaper Excerpt Featuring Melamine Dinnerware, The Evening Eagle (Wichita, Kansas), November 11, 1953. Melamine was initially discovered by German chemist Justus von Liebig in 1834. Despite having unique properties,.
Pictured: Celluloid Keystone Locomotive Watch Dial from the Keystone Watch Company Another variation of the celluloid dials produced by the Keystone Watch Company features the front of a locomotive enclosed.
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.
