Motor car axles shouldbe designed not only forlong life and efficientservice, but with anadditional margin ofstrength to assurehuman safety. Automotive IndustriesDecember 2S, 1922 69 BY THE. FEFL , THISBOIl-ER HAS SIXTYSix POUNDS PRESSURE … —Its the same withScrew Threads Despite the use of a very elaborate system ofmaster, working and inspection gages, the fail-ure of screws continues to be one of the mechan-ical worlds greatest problems. The trouble is—like the old boiler tender shown here—threadgages depend upon the feel. But a…
Automobiles · Aeronautics
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