Resource Type

Trombone. (open access)

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).
Date: February 17, 1920
Creator: Ackley, William D.
System: The Portal to Texas History
Soldering-Tool. (open access)

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.
Date: February 17, 1891
Creator: Barber, Edwin L.
System: The Portal to Texas History