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:
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Patent
Partner:
UNT Libraries Government Documents Department