Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 39
30 TRANSMISSION OF POWER. ^L V^^ 1 7^ 55. ROPE SPROCKET WHEEL, several modi-fications of which are in use in old-style hoists. L m 3 56. r-GROOVED ROPE PULLEY, havingcorrugated groove faces to increase the adhesion ofthe rope. … 57. ROPE TRANSMISSION, with a tighteningpulley, B. 58. VIBRATORY MOTION to two shafts,transmitted from the rocking of a lever armand sector.
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
