Harold Fromm, rust expert with the Ontario Department of Highways, checks one of the five test rigs at Downsview

Original Toronto Star caption: Harold Fromm; rust expert with the Ontario Department of Highways; checks one of the five test rigs at Downsview. They are designed ato stimulate the operation of motor vehicles running over salted and unsalted roads. The rigs run around paved track. Report is expected on tests this fall.