[Trade Journal]
Publication: Crockery & Glass Journal
New York, NY, United States
vol. 19, no. 4, p. 30, col. 1
NEW INVENTIONS.
Issued by the United States Patent Office, Jan. 8, 1884.
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PRESS FOR MOLDING GLASS INSULATORS. — Edward J. Murphy, Boston, Mass., assignor to Lawrence B. Gray and Joseph Ham, both of the same place.
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Claim, — The combination with the shell or case A, of the pivoted side piece E, having incline faces, and the tapering centre piece J, adapted to be slid back and forth therein, whereby the end portion of the plunger may be expanded and contracted.
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