Model Engineer - Vol. 134 - Issue: 3352 / 6th - 19th September 1968

Model Engineer - Vol. 134 - Issue: 3337 / 19th January 1968

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

Model Engineer - Vol. 134 - Issue: 3349 / 19th - 31st July 1968

Model Engineer - Vol. 134 - Issue: 3355 / 18th - 31st October 1968

Model Engineer - Vol. 142 - Issue: 3542 / 6th - 19th August 1976

Model Engineer - Vol. 141 - Issue: 3514 / 6th - 19th June 1975

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