Adapting The Diesel Engine To Road Use.

A Resume of the Problems Which Have to be Solved, and of the Progress Which Has Been Made. TIOR MANY years past scientists in the labora tory, designers and engineers have been......

Vacuum Feed For Upper-cylinder Lubrication.

Ar ANY efforts have been made to .111.provide some means for satisfactorily lubricating the upper portion of the cylinder above the piston, and special oils have been supplied......