Opinions On Motor Vehicle Construction.*

2.—Sir George Gibb, Late Chairman of the Road Board. T HE VIEWS of Sir George Gibh as regards the importance of road transport are peculiarly interesting inasmuch as he has had......

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......