[Trade Journal]
Publication: The Electrical Engineer
New York, NY, United States
vol. 23, no. 465, p. 360, col. 1
ADVERTISERS' HINTS
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F. M. LOCKE, Victor, N. Y., illustrates his "ad" this week with a cut of his insulator pin. This pin has been used on some very high voltage transmission lines and is proving itself strong and practically indesctructible.
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