UNT Libraries Government Documents Department - 3 Matching Results

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Soldering-Tool.
Patent for an improved soldering-tool by having a reservoir for gasoline or other light hydrocarbon, a burner-tube, and a valve for regulating the combustion of the gasoline and heating the tool continuously and uniformly, without a furnace. Illustration is included.
Trombone.
Patent, including illustration, for "a musical instrument slide and is more particularly designated as a bearing or stocking for a trombone or other similar instruments in which it is desirable to provide a smooth bearing for the slidable part of the instrument" (page 1, lines 9-13).
Violin Piano
Patent for an apparatus to play a violin via piano keyboard input. Designed with the notion that it would be an effective method of playing the violin with those already familiar with the piano
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