- 1Report on a visit to A.E.G. - Berlin by Mr. G. R. Astin and Mr. F. W. Craven. (YA1999.39/2/15)
17 February 1965 - 18 February 1965, item - 2Report on the visit of J.B.P. Wood, F.R. Harris and G.R. Astin to G.E. America, Scenectady and Lynn. (YA1999.39/2/45)
September 1966, item - 3Report on a visit to General Electric Company, Schenectady and Lynn, by G.R. Astin, F.R. Harris and J.B.P. Wood. (YA1999.39/2/46)
September 1966, item