Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . intained in the Book of Job andthe Psalms. In the latter case, the trampet, harp{of two kinds), timbrel {tambourine), organ, andcymbal are referred to. The Greek word dpyayoi,from which our word organ is derived, denotedan instrument of any kind, but was more partic-ularlyapplied to musical instruments. According to Vi-truvius, orgnnum was a term applied to any
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . intained in the Book of Job andthe Psalms. In the latter case, the trampet, harp{of two kinds), timbrel {tambourine), organ, andcymbal are referred to. The Greek word dpyayoi,from which our word organ is derived, denotedan instrument of any kind, but was more partic-ularlyapplied to musical instruments. According to Vi-truvius, orgnnum was a term applied to any instru-ment requiring skill in its use, while the nmchinamerely required animal force for its operation. The mouth-organ, or Pandean pipes, was expandedinto an instrument resembling the bagpipes, in whichthe air for supplying the pipes producing the musi-cal tones was blown hy the performer. In the Spiritalia of Hero of Alexandria, who OKGAX. 1573 ORGAX. fiouritiliid 150 E. c, we find a description of an organblown by the agency uf a wiud-nilU wIulIi works tiie-piston of the air-pumt). Its invention is, ju-rhaps,to be credited to Ctesibus of Ak^xandria, thou,di it islikelythatitwastheresnlt of the gradual improvement Fig. B is copiedfrom the sculp-tures on an obe-lisk at Constan-tinople, erectedby Theodosius,who died a. C is a pneu-matic organ ofthe tenth centu-ry ; it is takenfrom an ancientpsalter in the U-brary of TrinityCollege, Cam-bridge. D, from Goris Thesaurus Dip-tychorum, isSiiid to have beentaken from amanuscript ofthe timo of Fig. 3424.
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