More Miles Per "thou" Harold B Andrew's O Ne Of The Most...

vexing problems appertaining to internal-combustion engines is cylinder wear. The high-efficiency engine of to-day, with its trend towards higher compression ratios, and the......

A Dyson Machinery Carrier Of Advanced Design

B UILT expressly for handling excavators and similar machines of up to 10 tons "in weight, the semitrailer shown in the accompanying illustration is a recent product of R. A.......

Windows As Emergency Exits

WHILST apparently possessing no in superable disadvantages, a scheme for the arrangement and design of coach and bus windows, which appears to possess big attractions, has been......