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Method of Marking the Keys of Key-Boards for Musical Instruments
Patent for "a system of musical notation in which the several notes or note-symbols are shaped so as to approximate in appearance the shape of the letters from which they derive their appellations" (lines 37-41) especially in relation to piano-fortes, organs, and keyed instruments and in teaching music, including instructions and illustrations.
Date:
June 29, 1880
Creator:
Black, Jane B. D.
System:
The Portal to Texas History
Spark-Arrester.
Patent for Spark-Arrester. The author claims his invention catches sparks and throws them to the bottom of the chamber to the discharge pipe. Used in locomotive smoke stacks.
Date:
October 12, 1880
Creator:
Swan, Robert F.
System:
The Portal to Texas History