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

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

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

Model Engineer - Vol. 140 - Issue: 3502 / 6th - 19th December 1974

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

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

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