Improvement in Devices for Teaching Musical Transposition.
Description
Patent for an improvement in devices for teaching musical transposition. The invention in question is composed of a keyboard "with sliding instruments and scales" (1).
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Titles
Main Title:
Improvement in Devices for Teaching Musical Transposition.
Added Title:
Device for Teaching Musical Transposition.
Description
Patent for an improvement in devices for teaching musical transposition. The invention in question is composed of a keyboard "with sliding instruments and scales" (1).
Allison, Thomas J.Improvement in Devices for Teaching Musical Transposition.,
patent,
April 25, 1876;
[Washington D.C.].
(https://texashistory.unt.edu/ark:/67531/metapth166598/:
accessed June 8, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.;
crediting UNT Libraries Government Documents Department.