Model Engineer - Vol. 134 - Issue: 3350 / 2nd - 15th August 1968

Model Engineer - Vol. 134 - Issue: 3341 / 15th March 1968

Model Engineer - Vol. 134 - Issue: 3343 / 15th April 1968

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

Model Engineer - Vol. 134 - Issue: 3357 / 15th - 30th November 1968

Model Engineer - Vol. 139 - Issue: 3476 / 2nd - 15th November 1973

Model Engineer - Vol. 139 - Issue: 3460 / 2nd - 15th March 1973

Model Engineer - Vol. 142 - Issue: 3528 / 2nd - 15th January 1976