Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 307
s at each end are driven. The load of 75 tons is carriedupon six parts of i^i chain, arranged so that the lift is vertical, and there isno tendency to lateral movement or to twisting of the load. The hoisting motorsand those for the bridge travel are controlled by the series-multiple system.The… … CENTRIFUGAL SAND-MIXING MACHINE. EXPEDITIOUS. EFFECTIVE. ECONOMICAL- For disintegrating lumpy sand and mixing all kinds of moulding and core-sand quickly and economically. Will handle the sand as fast as two men canshovel it in. It consists of a rapidly revolving table, having on its upper surfacea…
Machine-tools · Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
