Model Engineer - Vol. 147 - Issue: 3649 / 16th - 31st January 1981

Model Engineer - Vol. 147 - Issue: 3667 / 16th - 31st October 1981

Model Engineer - Vol. 140 - Issue: 3485 / 15th - 31st March 1974

Model Engineer - Vol. 140 - Issue: 3499 / 18th - 31st October 1974

Model Engineer - Vol. 140 - Issue: 3481 / 18th - 31st January 1974

Model Engineer - Vol. 140 - Issue: 3488 / 3rd - 16th May 1974

Model Engineer - Vol. 140 - Issue: 3493 / 19th - 31st July 1974

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