bn:02782978n
Noun Named Entity
Categories: 1897 introductions, History of Holyoke, Massachusetts, Electronic musical instruments, American inventions
EN
Telharmonium  Dynamaphone  dynamophone  Teleharmonium  US Patent No. 580035
EN
The Telharmonium was an early electrical organ, developed by Thaddeus Cahill c. Wikipedia
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EN
The Telharmonium was an early electrical organ, developed by Thaddeus Cahill c. Wikipedia
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