Model Engineer - Vol. 139 - Issue: 3462 / 6th - 19th April 1973

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

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

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

MODEL ENGINEER - july 06 - 19 1973 VOL 139 no 3468

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

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

Model Engineer - Vol. 139 - Issue: 3457 / 19th - 31st January 1973