This is a glance again at some machines that we do not have round anymore: WABCO motor graders. Or, extra exactly presently, LeTourneau-Westinghouse motor graders – initially developed by R.G. LeTourneau earlier than it was bought by the Westinghouse Air Brake Co. The WABCO identify got here alongside in 1967, a couple of years after this early-’60s coaching movie was launched.