[Trade Journal]
Publication: Telegraph and Telephone Age
New York, NY, United States
vol. 37, no. 17, p. 437, col. 1
INDUSTRIAL.
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THE PRESENT large amount of telegraph line construction under way by the commercial telegraph companies has made serious inroads upon the stocks of glass insulators maintained by the various insulator manufacturers. The Hemingray Glass Company, of Covington, Ky., report a large demand for their products.
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