McDonald glass hanger board to be sold by Electrical Appliance Co.

[Trade Journal]

Publication: The Electrical Engineer

New York, NY, United States
vol. 24, no. 485, p. 170,171, col. 1,2




MR. W. B. McDONALD, Superintendent of the People's Light and Power Company, Chicago, has devised an arc lamp hanger board made entirely of glass, having a glass back, or support, as well as glass insulating knobs. This device known as the McDonald Glass Hanger Board, can always be relied upon as a perfect insualtor, and always looks bright and clean. This specialty is being placed on the market by the Electrical Appliance Company, Chicago, who will be very glad to quote prices on application.


Keywords:Knob : McDonald Glass Hanger Board
Researcher notes: 
Supplemental information: 
Researcher:Bob Stahr
Date completed:April 25, 2011 by: Bob Stahr;