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Telharmonium console by Thaddeus Cahill 1897. The Telharmonium (also known as the Dynamophone [ 1 ] ) was an early electrical organ , developed by Thaddeus Cahill c. 1896 and patented in 1897. [ 2 ] [ 3 ] [ 4 ] The electrical signal from the Telharmonium was transmitted over wires; it was heard on the receiving end by means of " horn " speakers.
Thaddeus Cahill's gargantuan and controversial instrument, the Telharmonium, which began piping music to New York City establishments over the telephone system in 1897, predated the advent of electronics, yet was the first instrument to demonstrate the use of the combination of many different pure electrical waveforms to synthesize real-world ...
Telharmonium patent us000580035-011 page 11 (start of description) ... probably added from the digital camera or scanner used to create or digitize it.
In the late 19th century, Thaddeus Cahill introduced the Telharmonium, which is commonly considered the first electromechanical musical instrument. [2] In the early 20th century, Leon Theremin created the Theremin, an early electronic instrument played without physical contact, creating a new form of sound creation.
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Early electronic instruments intended for live performance, such as Thaddeus Cahill's Telharmonium (1897) and instruments developed between the two world wars, such as the Theremin (1919), Spharophon (1924), ondes Martenot (1928), and the Trautonium (1929), may be cited as antecedents, [2] but were intended simply as new means of sound ...