Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 345
n. pf:|ii{iKiH|iii{iii LI ^JU … 1390. VERNIER CALI-PER, with slow-motion stopscrew. 1391. EXPAN-SION BIT.—Thespring clip held bya screw clamps thecutter in position to bore any size hole within its limits of expansion.
Mechanical movements
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