The Aetna third rail insulator made by Albert & J. M. Anderson Manufacturing Company use on Boston elevated railway.

[Trade Journal]

Publication: Electrical World and Engineer

New York, NY, United States
vol. 37, no. 3, p. 140, col. 2

THE BOSTON ELEVATED RAILWAY COMPANY, in installing its third-rail system, is using a special form of Aetna insulator for the third-rail support. It is made by the Albert & J. M. Anderson Manufacturing Company, of Boston, who also made the third-rail supports for the Northwestern Elevated and the Lake Side Elevated systems in Chicago.

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Keywords:Aetna Insulator : Albert & J. M. Anderson Company : Third Rail Insulator : Interurban Railway
Researcher notes:The Aetna insulator is a composition insulator.
Supplemental information: 
Researcher:Elton Gish
Date completed:December 28, 2010 by: Elton Gish;