Regulator

The Waltham “Crescent Street” Movement: The Model 1870: Woerd’s Patent Micrometric Regulator

By Nathan Moore

Woerd's Patent Micrometric Regulator Fitted on a Waltham Model 1870 Crescent Street Movement When the "Crescent Street" movement first debuted, it included several new features designed to quickly capture the growing railroad market. These features were promoted in advertisements published by Robbins & Appleton, general...

Boston Watch Company Private Label Hampden with Goold’s Patent Regulator

By Nathan Moore

Boston Watch Co. Private Label Movement #695384 with Goold's Patent Regulator Closeup of Frank C. Goold's Patent Regulator c.1877 "Boston Watch Co." private label manufactured by the Hampden Watch Company..

Patents & Innovations

Private Label Trade Names on American Pocket Watches: The Lincoln Watch & Jewelry Company: Part 11: The Practical Effectiveness of the Landis Automatic Regulator

By Nathan Moore

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.

Private Label Trade Names on American Pocket Watches: The Lincoln Watch & Jewelry Company: Part 10: The Patented Temperature Compensating Regulator Screw: Surviving Example

By Nathan Moore

In Movements

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 Watch Co.” watches. These movements can be identified by the unique regulator spring, differing from...

Patents & Innovations

Private Label Trade Names on American Pocket Watches: The Lincoln Watch & Jewelry Company: Part 9: The Patented Temperature Compensating Regulator Screw Advertisements

By Nathan Moore

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.

Patents & Innovations

Private Label Trade Names on American Pocket Watches: The Lincoln Watch & Jewelry Company: Part 8: The Patented Temperature Compensating Regulator Screw

By Nathan Moore

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.

James Woodgrove (London) c.1794 Fusee Pocket Watch with Verge Escapement

By Nathan Moore

In History , Regulators

As a slight departure from our study on the progression of enamel dials, this image represents the movement behind the dial posted yesterday. James Woodgrove (London) Pocket Watch Movement Serial No. 3152 Based on the silver hallmarks from the case, this watch was made around...