- 1A.E.I. Turbine-Generator Division Engineering Report No. Dev't 59.1. (YA1999.39/1/5)
8 June 1959, item - 2Departmental Engineering Report D.E.R. 101/63/5 following a technical visit by T.L.R.S. Dickin to General Electric Company, Schenectady and Lynn. (YA1999.39/2/37)
6 November 1963 - 12 November 1963, item
