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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 (June 18, 1867 – April 12, 1934) was a prominent american inventor of the early 20th century. He is widely credited with the invention of the first electromechanical musical instrument, which he dubbed the telharmonium.
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 ...
The Hornbostel–Sachs system of musical instrument classification groups all instruments which make sound primarily by way of electrically driven oscillators. Though Sachs divided the category of electrophones into three distinct subcategories, specifying these three as : 51 = electrically actuated acoustic instruments,
A tonewheel or tone wheel is a simple electromechanical apparatus used for generating electric musical notes in electromechanical organ instruments such as the Hammond organ and in telephony to generate audible signals such as ringing tone. It was developed by Thaddeus Cahill for the telharmonium c. 1896 and patented in 1897. [1]
Microsoft Musical Instruments is a 1992 educational software for Windows 3.1 which is an interactive encyclopedia of musical instruments. It contains 203 musical instruments from around the world, including pictures and audio samples of every instrument. [1] [2] Instruments are categorized by type, region, and are also shown in alphabetical ...
A number of instruments have been invented, designed, and made, that make sound from matter in its liquid state. This class of instruments is called hydraulophones . Hydraulophones use an incompressible fluid, such as water, as the initial sound-producing medium, and they may also use the hydraulic fluid as a user-interface.
(On instruments that have neither a pedalboard nor more than one hand-operated keyboard, the word "manual" is not a synonym for "keyboard".) Music written to be played only on the manuals (and not using the pedals) can be designated by the word manualiter (first attested in 1511, but particularly common in the 17th and 18th centuries).