Science

Private Label Trade Names on American Pocket Watches: The Non-Magnetic Watch Company: Part 35: Theodore Gribi’s Experiments

By Nathan Moore

In Science

Pictured: “Paillard’s Non-Magnetic Balances” Illustrations (Theodore Gribi), Western Electrician, September 22, 1888 After non-magnetic watches and anti-magnetic shields were introduced to the market in the 1880s, the industry was flooded with experiments testing the effectiveness of these new innovations in the presence of magnetism. In...

Science

Private Label Trade Names on American Pocket Watches: The Non-Magnetic Watch Company: Part 31: The Giles and Gribi Debate: Anti-Magnetic Shield versus Non-Magnetic Alloys

By Nathan Moore

Pictured: Illustration Demonstrating the Magnetic Field of a Magnetized Watch, “Magnetism in Watches” by Charles K. Giles, Western Electrician, June 30, 1888 As non-magnetic watches and anti-magnetic shields gained popularity.

Science

Private Label Trade Names on American Pocket Watches: The Non-Magnetic Watch Company: Part 30: Edwin J. Houston’s Experiments: The Anti-Magnetic Shield

By Nathan Moore

Pictured: An Anti-Magnetic Shield on an Elgin 18-Size Watch, c.1890s. In the March 1888 edition of the Journal of the Franklin Institute, Professor Edwin J. Houston published a comprehensive article.

Private Label Trade Names on American Pocket Watches: The Non-Magnetic Watch Company: Part 28: Edwin J. Houston’s Experiments: Exposure to Dynamos

By Nathan Moore

In Science

Pictured: Dynamo Room of the Brush Electric Light Station in Philadelphia, The Electrical World, February 12, 1887. In the March 1888 edition of the Journal of the Franklin Institute, Professor Edwin J. Houston published a comprehensive article exploring several experiments conducted on two Non-Magnetic Watch...

Science

Private Label Trade Names on American Pocket Watches: The Non-Magnetic Watch Company: Part 27: Edwin J. Houston’s Experiments: Ferromagnetism vs. Paramagnetism vs. Diamagnetism

By Nathan Moore

Pictured: Portrait of Edwin James Houston. In the March 1888 edition of the Journal of the Franklin Institute, Professor Edwin J. Houston published a comprehensive article exploring several experiments conducted.

Science

Private Label Trade Names on American Pocket Watches: The Non-Magnetic Watch Company: Part 26: Edwin J. Houston’s Experiments: Introduction

By Nathan Moore

Pictured: Excerpt from “Paillard’s Non-Magnetic Compensating Balance and Hair-Spring for Watches” by Prof. Edwin J. Houston, Journal of the Franklin Institute, March 1888 In early 1888, the newly reorganized Non-Magnetic.