This correspondence relates to Australia possibly buying aircraft from Britain prior to WW2. CAC had decided to build the NA 16 and there was correspondence from Hawker Siddeley expressing their wish to negotiate on future aircraft CAC may manufacture Letter to B Lewis 14/1/1937 from Secretary re Hawker Siddeley Letter from Brian Lewis to Secretary CAC 11/1/1937 enclosing letter from Hawker Siddeley Letter from Brian Lewis to Essington Lewis, CAC 27/2/1937 Letter from Essington Lewis to Secretary CAC 1/3/1937 Letter from Secretary CAC to Brian Lewis 30/11/1937 Letter from Brian Lewis to Essington Lewis CAC 24/11/1937 Letter from Essington Lewis to Brian Lewis 1/3/1937 Letter from Hawker Siddeley Aircraft Company Limited to Secretary CAC 16/12/1936 Letter from Secretary CAC to Brian Lewis Memorandum for CAC Board re Hawker Siddeley proposals advising not to accept any of the proposals made - instead mentioning Bristol and de Havilland 17/11/1936 Letter from Brian Lewis to Essington Lewis 6/11/1936 Letter from Brian Lewis representing Hawker Siddeley to Essington Lewis 21/10/1936 Letter from Brian Lewis to Essington Lewis 27/6/1936 representing Hawker Siddeley anticipating the return of Wackett from his overseas trip and the setting up of the aircraft industry in Australia Letter from Brian lewis to Essington Lewis 28/3/1936 re passing over of Hawker Siddeley proposals to Mr Parkhill in Canberra Memorandum of interview with Brian Lewis and Essington Lewis and FM Mitchel of the syndicate. 19/3/1936 Proposals for co-operation in Australia by Hawker Siddeley (group consists of Hawker, glister, Armstrong whit worth, Armstrong Siddeley, Burlington carriage and A V Roe Letter from Brian Lewis to Essington Lewis providing his background and relationship with Hawker Siddeley 3/2 1936 and 17/12/1935 and 26/12/1935 Very relevant to how the aircraft industry was set up in Australia

Correspondence Notes on the "Boomerang" Interceptor 18/8/42 Correspondence re setting up aircraft industry in Australia - between W S Robinson, A G Brown (CAC), S A Middleton (Austral Development Ltd London.), Douglas Aircraft Company, F Mitchell, BHP,, Essiungton Lewis BHP, Australian William S. Robinson had been Managing Director of Broken Hill Associated Smelters, based in London. He had played a key roll in negotiating the British Zinc Corporation’s investment in mining at Broken Hill NSW and formation of the resultant Australian business The Zinc Corporation. Returning to Australia, he was appointed to high levels of Australian Government during the Second World War to formulate policy on wartime demands for Australia's industrial and metals supply. Robinson was held in high regard by successive Prime Ministers and was a close associate of Essington Lewis, head of Broken Hill Pty Ltd (BHP). W.S. Robinson was a strong believer in aviation and business and air transportation having backed the purchase of two DH.84 Dragons in 1933 by associate company Western Mining Corporation to carry out a 12-month aerial photographic survey. He promoted the formation of Commonwealth Aircraft Corporation at Fishermans Bend, Melbourne to ensure Australian production of military aircraft.

Correspondence Notes on the "Boomerang" Interceptor 18/8/42 Correspondence re setting up aircraft industry in Australia - between W S Robinson, A G Brown (CAC), S A Middleton (Austral Development Ltd London.), Douglas Aircraft Company, F Mitchell, BHP,, Essiungton Lewis BHP, Australian William S. Robinson had been Managing Director of Broken Hill Associated Smelters, based in London. He had played a key roll in negotiating the British Zinc Corporation’s investment in mining at Broken Hill NSW and formation of the resultant Australian business The Zinc Corporation. Returning to Australia, he was appointed to high levels of Australian Government during the Second World War to formulate policy on wartime demands for Australia's industrial and metals supply. Robinson was held in high regard by successive Prime Ministers and was a close associate of Essington Lewis, head of Broken Hill Pty Ltd (BHP). W.S. Robinson was a strong believer in aviation and business and air transportation having backed the purchase of two DH.84 Dragons in 1933 by associate company Western Mining Corporation to carry out a 12-month aerial photographic survey. He promoted the formation of Commonwealth Aircraft Corporation at Fishermans Bend, Melbourne to ensure Australian production of military aircraft.