d on automatic screw machines into green cups and cones. (11) Four spindle roller fuhrictihit,/ much nies where rods tire fabricated al high speed into <• rarictij a) si cs o) rolls held to much tiling tolerances not in excess of .003 of an inch. (12) Another view of the screw machine department… … (181 Gaging m the green. Size gaging machine where cups and cones in the green are held to tolerances not to exceed.004of an inch. (14) Battery of carburizing furnaces. (15) Rotary retort hardening furnace where small pieces an hard-ened after carburization. (161 Automatically fed roll grinders…
Automobiles · Aeronautics
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