Correspondents include: Sir [Alfred] Guy Garrod; [John] Gibson Jarvie; Alan Green, Director of the Scapa Group Limited; Sir Harold Hartley, Chairman of the British Electricity Authority; Frank Hillier, Secretary-General of the Air League of the British Empire (2); Sir William Larke (2); Sir Alliott Verdon-Roe; [William] Walker Shepherd, Chairman of Turner and Newall Limited.

Also includes: drafts of LSA's chapter on the industrial prospect, with comments by Garrod, Jarvie, Larke and 1st Lord Weir; issues of "Aircraft Engineering" on the development of flying boats.