Model Engineer - Vol. 147 - Issue: 3658 / 5th - 18th June 1981

Model Engineer - Vol. 142 - Issue: 3539 / 18th - 30th June 1976

Model Engineer - Vol. 143 - Issue: 3566 / 5th - 18th August 1977

Model Engineer - Vol. 135 - Issue: 3376 / 5th - 18th September 1969

Model Engineer - Vol. 135 - Issue: 3382 / 5th - 18th December 1969

Model Engineer - Vol. 141 - Issue: 3520 / 5th - 18th September 1975

Model Engineer - Vol. 140 - Issue: 3486 / 5th - 18th April 1974

Model Engineer - Vol. 110 - Issue: 2756 / 18th March 1954