Search Results for: Controllers combined with convertors
(p. ) march, , g. j. clime. grand harmonica," with the strings stretched by weights, and struck by hammers. strips of glass ranged in a frame produce sounds also, by means of balls set on wires, or by coining in contact with wheels rapidly revolved by a treadle. nov , . john geib.
(p. ) jan. , w. thompson. system of tuning by means of a monochord with movable bridges. march john landreth ( ) centring the jack in square piano with cork. ( ) the same, or , some woolly substance, manufactured after the manner of a hat," is introduced in the upright pianoforte. july, , i . humphrey...
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