Key-Board Attachment for Pianos.
Description:
Patent for a new keyboard attachment as educational aid for "pianos, organs &c. and has for its object to simplify the reading of music" (lines 9-11) including instructions and illustrations.
Date:
February 12, 1889
Creator:
Osborn, Enoch L. S.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department