Middletown-Berlin electrification of the New York, New Haven & Hartford Railroad uses porcelain insulators

[Trade Journal]

Publication: Street Railway Journal

New York, NY, United States
vol. 30, no. 12, p. 412-416, col. 1-2

[Title only]
Keywords:Insulator : Porcelain
Researcher notes: 
Supplemental information: 
Researcher:Bob Stahr
Date completed: