Model Engineer - Vol. 147 - Issue: 3663 / 21st - 31st August 1981

Model Engineer - Vol. 117 - Issue: 2945 / 31st October 1957

Model Engineer - Vol. 103 / Issue: 2570 / 24th August 1950

Model Engineer - Vol. 103 / Issue: 2567 / 3rd August 1950

Model Engineer - Vol. 103 / Issue: 2569 / 17th August 1950

Model Engineer - Vol. 147 - Issue: 3653 / 20th - 31st March 1981

Model Engineer - Vol. 125 - Issue: 3138 / 31st August 1961

Model Engineer - Vol. 103 / Issue: 2575 / 28th September 1950