Thomas to make P.E.M. Knob

[Trade Journal]

Publication: Western Electrician

Chicago, IL, United States
vol. 40, no. 10, p. 224, col. 3


The Porcelain Electrical Manufacturing Company of Trenton, N. J., is no longer making the "P. E. M. Co. knob," which is the two-piece porcelain insulator, formerly known as the. "W. E. split-knob.'' The R. Thomas & Sons Company, 39 Cortland Street, New York city, now has the exclusive right to make and market this insulator, and will give all orders prompt attention. The insulator will now be known as the "Thomas T. P. I. knob."


Keywords:Porcelain Electric Manufacturing Company : R. Thomas & Sons Company : Knob
Researcher notes:Indications are the true name was Porcelain Electric Manufacturing Co.
Supplemental information: 
Researcher:Bob Stahr
Date completed:September 29, 2009 by: Bob Stahr;