A Harmonichord is a kind of upright piano, in which the strings are set in vibration not by the blow of the hammer but by indirectly transmitted friction. The piano is a Musical instrument played by means of a keyboard that produces sound by striking steel strings with Felt covered hammers
Description
The harmonichord, one of the many attempts to fuse piano and violin, was invented by Johann Gottfried and Johann Friedrich Kaufmann (father and son) in Saxony at the beginning of the 19th century, when the craze for new and ingenious musical instruments was at its height. The violin is a bowed String instrument with four strings usually tuned in Perfect fifths It is the smallest and highest-pitched member The 19th century of the Common Era began on January 1, 1801 and ended on December 31, 1900, according to the Gregorian calendar
The case was of the variety known as giraffe. The space under the keyboard was enclosed, a knee-hold being left in which were two pedals used to set in rotation a large wooden cylinder fixed just behind the keyboard over the levers, and covered with a roll-top similar to those of modern office desks. The cylinder (in some specimens covered with chamois leather) tapered towards the treble-end. When a key was depressed, a little tongue of wood, one end of which stopped the string, was pressed against the revolving cylinder, and the vibrations produced by friction were transmitted to the string and reinforced as in piano and violin by the soundboard. The adjustment of the parts and the velocity of the cylinder required delicacy and great nicety, for if the little wooden tongues rested too lightly upon the cylinder or the strings, harmonics were produced, and the note jumped to the octave or twelfth.
Sometimes when chords were played the touch became so heavy that two performers were required, as in the early medieval organistrum, the prototype of the harmonichord. A hurdy gurdy (also known as a wheel fiddle) is a stringed Musical instrument in which the strings are sounded by means of a Rosined wheel which the strings Carl Maria von Weber must have had some opinion of the possibilities of the harmonichord, which in tone resembled the glass harmonica, since he composed a concerto with orchestral accompaniment for the instrument. Carl Maria Friedrich Ernst von Weber ( 18 December 1786 in Eutin, Holstein, Germany - 5 June 1826 in London The glass harmonica, also known as the glass armonica, hydrocrystalophone, or simply armonica (derived from "armonia" the Italian
This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain. The Encyclopædia Britannica Eleventh Edition (1910–1911 is a 29-volume reference work that marked the beginning of the Encyclopædia Britannica The public domain is a range of abstract materials &ndash commonly referred to as Intellectual property &ndash which are not owned or controlled by anyone
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