Simplicity In A New Driving Bogie

T EE new four-wheel-drive unit which Kirkstall Forge, Ltd., near Leeds, has produced for six-wheeled doubledeck buses and, which, incidentally, is being supplied to Crossley......

An Inexpensive Hydraulic Dynamometer

T IIE latest Fronde patent 1L1).-type hydraulic dynamometer produced by Heenan and Fronde, Ltd., Worcester, for the running-in and testing of automobile engines has been......