[Trade Journal]
Publication: The Electrical Engineer
New York, NY, United States
vol. 20, no. 396, p. 559,560, col. 1,1
Trade Notes and Novelties
AND MECHANICAL DEPARTMENT.
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ADVERTISERS' HINTS.
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AN EXCELLENT TESTIMONIAL appears in the "ad." of Mr. F. M. Locke regarding his steel insulator pins. There are others to follow.
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