[Trade Journal]
Publication: Western Electrician
Chicago, IL, United States
vol. 14, no. 4, p. 48, col. 2
TRADE NEWS.
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The Manhattan Electrical Supply company, 36 Cortlandt street, New York, is sending to the trade a communication quoting prices on telephone receivers. The letter also embodies a warning against the use of certain apparatus, containing points which are broadly covered by patents controlled by the Bell company.
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