Model Engineer - Vol. 124 - Issue: 3109 / 9th February 1961

Model Engineer - Vol. 125 - Issue: 3148 / 9th November 1961

Model Engineer - Vol. 124 - Issue: 3112 / 2nd March 1961

Model Engineer - Vol. 124 - Issue: 3115 / 23rd March 1961

Model Engineer - Vol. 124 - Issue: 3116 / 30th March 1961

Model Engineer - Vol. 124 - Issue: 3114 / 16th March 1961

Model Engineer - Vol. 124 - Issue: 3129 / 29th June 1961

Model Engineer - Vol. 124 - Issue: 3118 / 13th April 1961