I.C.S.U. [International Council of Scientific Union] Circular and draft of paper, 'Solar Radio Noise', March 1947-April 1947

This file contains an I.C.S.U. [International Council of Scientific Union] Circular, March 1947, requesting contributions to the Sixth Report on solar relationships, with a manuscript note by Edward Appleton, recipient unknown, ‘I suggest we do a joint article on solar radio noise' (this request for contributions is frequently referred to in the correspondence at Coll-37/C.329-C.353); and ‘Solar Radio Noise', a 3 page typescript draft for paper by Appleton and J.S. Hey, dated 8 April 1947.