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Gear's illustrated catalogue of wood and iron working machinery (1872)

A.S. Gear, Gear, A. S · Boston : Printed at A.S. Gear's printing office, 62 Sudbury Street · leaf 400

An illustration from Gear's illustrated catalogue of wood and iron working machinery, 1872, leaf 400 — from a letter from Dr. Franz Liszt to the celeb7-ated comfoser, Metzdorf, mluch letter, dated Weimar, September 27, 1873, is tiom in possession of Messrs. Steinway & Sons. Pray tell Mr. Steinway that his splendid upright piano shone to brilliant advantage at the festival performances at the… … Secured by letters patent No. 127384, dated May 28, 1872. No. 10—GRAND DUPLEX SCALE, USED IN ALL GRAND, CABINET-GRAND AND SQUARE-GRANDPIANOFORTES. The invention of the duplex scale is owing to the scientific investigations which Privy Counselor ProfessorDr. Helmholtz has developed in his book,…

A.S. Gear · Machinery industry · Woodworking machinery · Metal-working machinery

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