Comprise:

/1 telegram, 1924 Jul 17, to E.J. Hart, Melbourne/Hinkler 'expecting secure rights skywriting Australia';

/2 letter, 1926 May 17, London Aerodrome, Hendon to Bert Hinkler, Royal Aero Club, London/Maj. J.C. Savage, 'originator of sky-writing', confirming Hinkler's right, until 17 July, to acquire 'sole rights of Sky-writing in Australasia under my original patents' (1p. ts.);

/3 letter, The Nest, Hedge End, Hants., 1926 May 22, to E.J. Hart, Melbourne/Bert Hinkler, re their collaborating on, and setting up, a skywriting venture in Australia, based on Savage's patents (3p. ts.)