Journal of the Franklin Institute

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

In Science

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 exploring several experiments conducted on two Non-Magnetic Watch Company movements. Following his preliminary experiments on...

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.