A Novel Idea For Preventing Wheel-spin On Six-wheeled...

WHEN six-wheeled lorries of the VV trailing-axle type . are used for tipping purposes, it happens, in certain circumstances, that the basic advan tage afforded by the extra pair......

New " Floating-boss" Piston

S EVERAL important claims are made for a design of piston recently introduced by Welhvorthy, Ltd., Lyming- ton, Hants. Described as the Floatingboss piston, it has, as its name......