[Trade Journal]
Publication: Telephony
Chicago, IL, United States
vol. 6, no. 2, p. 146,147, col. 1,2
TRADE NOTES
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HEMINGRAY GLASS COMPANY, Covington, Ky., has recently issued a very complete catalogue on screw glass insulators, battery jars, etc., which will be sent free to any one interested. The catalogue is fully illustrated and covers the subject of glass insulators completely. The Hemingray specialty is the petticoat insulator, which is very universally used. The company invites correspondence from prospective buvers of insulators.
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