Model Engineer - Vol. 125 - Issue: 3132 / 20th July 1961

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

Model Engineer - Vol. 124 - Issue: 3120 / 27th April 1961

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

Model Engineer - Vol. 124 - Issue: 3127 / 15th June 1961

Model Engineer - Vol. 124 - Issue: 3122 / 11th May 1961

Model Engineer - Vol. 124 - Issue: 3106 / 19th January 1961

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