13th March 1919, Page 14
13th March 1919
Page 14

Page 14, 13th March 1919
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Heat Treatment Of Steel.
Case-hardened versus Oil-hardened Gears. B OTH CASE-HARDENED and oil-hardened gears are largely used in iiutomobile construction. Some engineers pfefer the latter method of......
Multiple Load Handling.'
.The Stamper Tipping Trailer and its Commercial Application. A DESCRIPTION of the loading truck system developed by Capt. C. W. Stamper appeared in The Commercial Motor of......