UNT Libraries Government Documents Department - 3 Matching Results

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Soldering-Tool.

Description: 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.
Date: February 17, 1891
Creator: Barber, Edwin L.
Item Type: Refine your search to only Patent

Trombone.

Description: 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).
Date: February 17, 1920
Creator: Ackley, William D.
Item Type: Refine your search to only Patent

Violin Piano

Description: 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
Date: January 17, 1917
Creator: Strawn, Jesse C.
Item Type: Refine your search to only Patent
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