Pictured: Measurement on a Standard Regulator Screw from 16-Size Illinois Model 4 (5.25mm) The patent application submitted by Arthur Bonnet in March 1910 for his automatic temperature compensating screw indicates.
Pictured: Landis Watch Co. Movement (Grade 174) [Image Courtesy of PWDB User edi113] In 1910, the Lincoln Watch & Jewelry Co. introduced the patented “Landis Automatic Regulator” on its “Landis.
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: Landis Watch Co. Dial (Grade 79) [Image Courtesy of PWDB User edi113] Each of the watches sold under the “Landis Watch Co.” private label brand was furnished with an.
Pictured: Landis Watch Co. Lieutenant Movement (Grade 59) [Image Courtesy of PWDB User edi113] The “Lieutenant Landis” watch was based on the 18-Size 15-Jewel Grade 59 manufactured as a private.
Burlington Watch Company Catalog Covers: c.1911, c.1915, c.1923 The three Burlington Watch Company catalogs I have in my personal library have now been digitized and are freely available on the.
