Alexandre_Debain

Alexandre Debain

Alexandre Debain

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Alexandre-François Debain (6 July 1809 – 3 December 1877) 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.[1]

Harmonium Debain

Notes

  1. [1]
    Christo Lelie (18 July 2009). "The worldly counterpart to the 'circular saw of faith'". Archived from the original on 11 November 2010. Retrieved 4 June 2012.
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