Alexandre Debain
Alexandre-François Debain was a French inventor who developed the harmonium. He made a new action system, in which, when depressing a note on the keyboard, a valve opened thereby emitting sound from the instrument. He patented it in Paris in 1842.
From *.wikipedia.org,
General Info
.
Male
Date of Birth
July 6th, 1809
Age
216
Birth Place
France, Île-de-France
Date of Death
December 3rd, 1877
Died Aged
68
Star Sign
Cancer
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