Model Engineer - Vol. 147 - Issue: 3669 / 20th - 30th November 1981

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

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

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

Model Engineer - Vol. 134 - Issue: 3359 / 20th - 31st December 1968

Model Engineer - Vol. 147 - Issue: 3665 / 18th - 30th September 1981

Model Engineer - Vol. 111 - Issue: 2784 / 30th September 1954

Model Engineer - Vol. 135 - Issue: 3371 / 20th - 30th June 1969