UNT Libraries Government Documents Department - 3 Matching Results

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Thread-Cabinet.

Description: Patent "...relates to cabinets for spooladapted to contain spools of thread of different sizes and from which the spools may be easily extracted one at a time" (lines 7-11) including illustrations and descriptions.
Date: January 12, 1897
Creator: Armstrong, John, S.
Item Type: Refine your search to only Patent

Rail Bond For Electric Railroads

Description: Patent for improvement to rail-bonds for electrical railroads to aid in maintaining electrical contact, which will then reduce the loosening of parts which results in broken contact. Illustrations and instructions are included.
Date: August 17, 1897
Creator: Hunter, Victor Emmet
Item Type: Refine your search to only Patent

Gas-Vent for Molds.

Description: Patent for a gas-vent for molds. Its object is "to provide a simple and cheap construction whereby free escape of the gas or air is permitted form the mold into which molten metals...are to be poured for the purpose of forming a casting" (lines 12-18). Construction of the vent may vary.
Date: February 2, 1897
Creator: Streetman, Willard
Item Type: Refine your search to only Patent
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