Pictured: Landis Watch Co. Automatic Regulator Advertisement, The Circle, March 1910. Several Months before the Lincoln Watch & Jewelry Company even secured the patent for the new temperature compensating regulator.
Pictured: “Temperature Compensating Mechanism” Patent #968235 In 1910, the Lincoln Watch & Jewelry Company secured a patent for an improvement to the regulator used on its watches, designed to provide.
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: 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: 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: Elgin National Watch Company “Masonic, Knights Templar” Society Dial No. 1117, c. 1890s. When Henry Abbott patented his unique technique to apply intricate designs to watch dials in 1884,.