Model Engineer - Vol. 147 - Issue: 3653 / 20th - 31st March 1981

Model Engineer - Vol. 134 - Issue: 3346 / 7th - 20th June 1968

Model Engineer - Vol. 134 - Issue: 3351 / 16th - 31st August 1968

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

Model Engineer - Vol. 134 - Issue: 3345 / 17th - 31st May 1968

Model Engineer - Vol. 134 - Issue: 3353 / 20th - 30th September 1968

Model Engineer - Vol. 147 - Issue: 3671 / 18th - 31st December 1981

Model Engineer - Vol. 142 - Issue: 3543 / 20th - 31st August 1976