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

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

Model Engineer - Vol. 134 - Issue: 3342 / 15th April 1968

Model Engineer - Vol. 134 - Issue: 3338 / 2nd - 15th February 1968

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

Model Engineer - Vol. 134 - Issue: 3347 / 21st - 30th June 1968

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

Model Engineer - Vol. 140 - Issue: 3501 / 15th - 30th November 1974