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: 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: Abraham Bitner’s Patented Paper Watch Dial on a Lancaster Watch Company “Comet” Movement [Courtesy of Heritage Auctions] Before Abraham Bitner used celluloid in the late 1880s as an alternative.
Pictured: Celluloid “French Ivory” Watch Dials from the Keystone Watch Company In seeking an inexpensive alternative to standard enamel dials, the Keystone Watch Company introduced a watch dial manufactured from.
Pictured: 1882 Elgin Material Catalog Showing Hard vs. Soft Enamel Dial Pricing [Catalog Scans Courtesy of Rick Hufnagel] Innovative and novel products commonly demand a premium when first introduced to.
The process of manufacturing Venetian hard enamel dials is very similar to manufacturing English soft glass enamel dials. In both instances, hard enamel is utilized for the backs of the.
