f 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 where rolls arc groundto tolerances of .0005 of an inch.(17) Internal cup grinder here cups are ground to tolerances not… … (19) Part of the finished cap inspection department where cups are micrometrically gaged to a tolerance of .001 of an inch. (20) Part of the assembling department where parts which have passed the series of rigid inspections are finally assembledinto complete bearings. (21)One of the stamping…
Automobiles · Aeronautics
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