Telharmonium Developed By Thaddeus Cahill In 1897 . Electromechanical Instrument ...
Stockphoto ID: 2766531
File name: 73882.jpg
Format: digital, 4000+ pixels longest side
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Description: Telharmonium developed by Thaddeus Cahill in 1897 . Electromechanical instrument . Patent plan for Cahills Art of and Apparatus for Generating and Distributing music electrically .
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