Patents & Innovations
Fogg's Patent Safety Pinion When the "Crescent Street" movement first debuted, it included several new features designed to quickly capture the growing railroad market. These features were detailed in advertisements.
When the "Crescent Street" movement first debuted, it included several new features designed to quickly capture the growing railroad market. These features were detailed in advertisements published by Robbins &.

The power that allows a pocket watch to operate is provided by the mainspring. This large spring is coiled tightly inside the mainspring barrel as the watch is wound. Once.
In early 1866, Frederick A. Giles received two separate patents for watch plate designs - one would become the iconic "butterfly cutout" that collectors associate with watches from the United.
Different Approach The patented safety pinion designs by Burt, Fogg, and Moseley all operated by means of a center pinion that would disengage from the center staff when the mainspring.
Before Fogg's patented safety pinion entered the public domain in 1882, new watch companies were compelled to prioritize the development of their own unique safety pinion design. When the Illinois.