Patent
Pictured: “The Giles Patent Anti-Magnetic Shield” Advertisement, The Jewelers’ Circular and Horological Review, 1884 (Unknown Issue) As electricity was being adopted across the globe in the 1880s, the watch industry.
Pictured: U.S. Patent #384,731 Charles-Auguste Paillard received six patents in the United States for his innovative palladium alloys used in watchmaking. Paillard’s alloys were immune to corrosion, did not dilate.
Pictured: C.A. Paillard’s Palladium Compensation Balance U.S. Patent #359093. In addition to seeking patents in Europe, Charles-Auguste Paillard submitted patent applications in the United States to protect the use of.
Pictured: C.A. Paillard’s Palladium Balance Abstract of English Patent #8730. While the most delicate part of a watch to be significantly affected by magnetism and corrosion is the hairspring, the.
"Paillard Non-Magnetic Watch Co - Chicago, U.S.A.” Marking on Illinois Watch Movement The Non-Magnetic Watch Company sold watches produced by a variety of watch manufacturers in the United States. Each.
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.