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Scientific American Supplement, No. 385, May 19, 1883 by Various
page 58 of 130 (44%)
friend of Beethoven. The diagram represents the wooden framing of such
an instrument.

We gather from Burney's contributions to "Rees's Cyclopaedia," that
after the arrival of John Christian Bach in London, A.D. 1759, a few
grand pianofortes were attempted, by the second-rate harpsichord makers,
but with no particular success. If the workshop tradition can be relied
upon that several of Silbermann's workmen had come to London about that
time, the so-called "twelve apostles," more than likely owing to the
Seven Years' War, we should have here men acquainted with the Cristofori
model, which Silbermann had taken up, and the early grand pianos
referred to by Burney would be on that model. I should say the "new
instrument" of Messrs. Broadwood's play-bill of 1767 was such a grand
piano; but there is small chance of ever finding one now, and if an
instrument were found, it would hardly retain the original action, as
Messrs. Broadwood's books of the last century show the practice of
refinishing instruments which had been made with the "old movement."

[Illustration: Fig. 1.]

Burney distinguishes Americus Backers by special mention. He is said
to have been a Dutchman. Between 1772 and 1776, Backers produced the
well-known English action, which has remained the most durable and one
of the best up to the present day. It refers in direct leverage to
Cristofori's first action. It is opposite to Stein's contemporary
invention, which has the hopper fixed. In the English action, as in the
Florentine, the hopper rises with the key. To the direct leverage of
Cristofori's first action, Backers combined the check of the second, and
then added an important invention of his own, a regulating screw and
button for the escapement. Backers died in 1776. It is unfortunate we
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