A Torsion-spring Cattle-truck Ramp

A Clever Design Which Reduces Effort on a Normally Heavy Job D URING the past six years the oldestablished body-building concern of J. H. Jennings and Son, Ltd., Sandbach,......

Variable Leverage Tipping Gear

A New Design Which Incorporates Several Novel and Desirable Features A NEW tipping gear, for which several advantages over existing types are claimed, is being produced by the......