Charles Hinsdale's patent for a paper insulator

[Trade Journal]

Publication: The Telegraphic Journal and Electrical Review

London, England
vol. 14, no. 325, p. 136, col. 2

A Paper Insulator. Mr. Charles C. Hinsdale, of Cleveland, Ohio, has invented an electrical insulator constructed of paper pulp. Liquid silica, or silicon, is used as a cementing agent, and when these constituents are combined in proper proportion, a superior insulator is said to be produced.


Keywords:Paper Insulator
Researcher notes: 
Supplemental information: Patent: 287,830
Researcher:Elton Gish
Date completed:August 15, 2010 by: Elton Gish;