The mechanical index, 1904. A complete index to the names and addresses of all manufacturers in the United States of mechanical appliances, machinery and tools operated by steam, electricity, water, hand or foot power (1904)
New York, The Industrial Press · leaf 991
ior to any other make in strength and durability,make perfect threads at one cut, and last twiceas long as other dies. The great advantageof the Wallace lies inthe cam which holdsthe chasers in placedirectly over the pointof duty and thus insures absolutely regularthreads. Made in eight… … THE MECHANICAL INDEX. 59
Machinery
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