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Pictured: Illustration of U.S. Patent #54950, Montgomery’s Type II Safety Dial Design After failing to receive a patent for his 1899 “Safety Dial” design, Henry S. Montgomery became committed to creating a patentable design with his second generation dial. After several years of development, Montgomery...
New image transfer techniques at the end of the 19th century also yielded innovative and practical dial designs.  The “Rate Dial” Designed to Indicate Speed of Travel, c.1895, Fitted on Hampden Watch Co. Grade 81 Movement This “Rate Dial” approximates the speed of travel using...
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