[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.