Telharmonium
The Telharmonium (also known as the Dynamophone) was an early electrical organ, developed by Thaddeus Cahill circa 1896 and patented in 1897.[1][2][3] The electrical signal from the Telharmonium was transmitted over wires; it was heard on the receiving end by means of «horn» speakers.[4] Like the later Hammond organ, the Telharmonium used tonewheels to generate… Leer más »