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Created byJoe Branch
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Telharmonium 1898 -
This was an early electrical organ.
It was invented by Thaddeus Cahill.
However it cost a huge amount of
money as it was the first of its kind.
It used tone wheels to trigger
sounds. It was largely unsuccessful
as it was impractical and interfered
with telephone lines.Theremin 1928 -
Patented by Soviet inventor Léon
Theremin. It consists of two antennas
that sense the relative position of
the thereminist's hands.Ondes Martenot 1928 -
Consists of a touch sensitive
keyboard and a slide - wire
glissando generator. It evolved
a huge amount between 1928
and 1980. No break in the
sound produced.Hammond Organ 1935 -
Used draw bars with 6 settings,
each responding to the
harmonics of the note played.
Very portable in comparison
to the Telharmonium. It was
still in production until 1975.
Used tone wheels similar to
that of the Telharmonium.
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