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

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

Model Engineer - Vol. 147 - Issue: 3659 / 19th - 30th June 1981

Model Engineer - Vol. 140 - Issue: 3491 / 21st - 30th June 1974

Model Engineer - Vol. 122 - Issue: 3077 / 30th June 1960

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

Model Engineer - Vol. 139 - Issue: 3473 / 21st - 30th September 1973

Model Engineer - Vol. 112 - Issue: 2823 / 30th June 1955