Artist: Johann Nepomuk Maelzel
날짜: 1813
박물관: Beethoven-Haus Bonn (Bonn, Germany)
기술: Brass
When the problems with his impaired hearing became worse, Ludwig van Beethoven tried to find an aid, that would make communication with others easier. So he contacted the well-known mechanic and inventor Johann Nepomuk Mälzel (1772-1838), who had lived in Vienna since 1792, and who had been in close contact with Beethoven around 1812/1813.Mälzel developed a number of differently shaped ear trumpets for the composer, which partly were to be attached to the head with a metal circlet. (Four of those hearing aids can be seen in the Beethoven-Haus in Bonn, another one is in possession of the society of music-lovers in Vienna.) Apart from the ear trumpets, two other inventions by Mälzel became important for Beethoven. One was the
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