I have advertised in public papers, and have had personal inquiry made
for one of Friederici's "Fort Biens," as he is said to have called his
instrument. I have only succeeded in learning this much--that Friederici
is considered to have been of later date than has been asserted in the
text-books. Until more conclusive information can be obtained, I must
be permitted to regard a London maker, but a German by birth, Johannes
Zumpe, as the inventor of the instrument. It is certain that he
introduced that model of square piano which speedily became the fashion,
and was chosen for general adoption everywhere. Zumpe began to make
his instruments about 1765. His little square, at first of nearly five
octaves, with the "old man's head" to raise the hammer, and "mopstick"
damper, was in great vogue, with but little alteration, for forty years;
and that in spite of the manifest improvements of John Broadwood's
wrest-plank and John Geib's "grasshopper." After the beginning of this
century, the square piano became much enlarged and improved by Collard
and Broadwood, in London, and by Petzold, in Paris. It was overdone in
the attempt to gain undue power for it, and, about twenty years ago,
sank in the competition, with the later cottage pianoforte, which was
always being improved.
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