Model Engineer - Vol. 140 - Issue: 3497 / 20th - 30th September 1974

Model Engineer - Vol. 140 - Issue: 3487 / 19th - 30th April 1974

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

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

Model Engineer - Vol. 141 - Issue: 3525 / 21st - 30th November 1975

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

Model Engineer - Vol. 140 - Issue: 3499 / 18th - 31st October 1974

Model Engineer - Vol. 140 - Issue: 3482 / 1st - 14th February 1974