Model Engineer - Vol. 142 - Issue: 3530 / 6th - 19th February 1976

Model Engineer - Vol. 147 - Issue: 3668 / 6th - 19th November 1981

Model Engineer - Vol. 147 - Issue: 3650 / 6th - 19th February 1981

Model Engineer - Vol. 147 - Issue: 3652 / 6th - 19th March 1981

Model Engineer - Vol. 117 - Issue: 2952 / 19th December 1957

Model Engineer - Vol. 142 - Issue: 3533 / 19th - 31st March 1976

Model Engineer - Vol. 142 - Issue: 3549 / 19th - 30th November 1976

Model Engineer - Vol. 140 - Issue: 3496 / 6th - 19th September 1974