[Logo] PHYSICS IN AUSTRALIA TO 1945

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WWW edition prepared by Tim Sherrat and Victoria Young for Bright Sparcs, June 1995

MADSEN, John Percival Vissing

Born Lochinvar, N.S.W., 24 March 1879; died Sydney 4 October 1969. Education, Sydney University (B.Sc. 1900, B.E. 1901). Lecturer in mathematics and physics, Adelaide University, 1901-03; lecturer in electrical engineering 1904-09. D.Sc., Adelaide University, 1907. Lecturer in electrical engineering, Sydney University, 1909-12; assistant professor 1912-20; professor 1920-49. C.O., Engineer, Officers' Training School, Roseville, N.S.W., 1914-19. Chairman, Radio Research Board, 1926-57. Chairman, Radiophysics Advisory Board, 1939-42. President of the Australian Branch Institute of Physics 1946-47. F.A.A. 1954. Knighted 1941.
  1. (Abstract) Note on specific inductive capacity of selenium. Australasian Association for the Advancement of Science. Report of Meeting., 8 (Melbourne, 1900), 196.
  2. (With W.H. Bragg) The quality of the secondary ionisation due to beta rays. Royal Society of South Australia. Transactions and Proceedings., 31 (1907), 300-304; Philosophical Magazine, S.6, 16 (1908), 692-697.
  3. (With W.H. Bragg) An experimental investigation of the nature of the gamma rays. No.1. Royal Society of South Australia. Transactions and Proceedings., 32 (1908), 1-10; Physical Society, London. Proceedings., 21 (1907-09), 261-275; Chemical News, 97 (1908), 162-165; Philosophical Magazine, S.6, 15 (1908), 663-675.
  4. The ionization remaining in gases after removal from the influence of the ionizing agent. Royal Society of South Australia. Transactions and Proceedings., 32 (1908), 12-34.
  5. (With W.H. Bragg) An experimental investigation of the nature of gamma rays. No.2. Royal Society of South Australia. Transactions and Proceedings., 32 (1908), 35-54; Philosophical Magazine, S.6, 16 (1908), 918-939.
  6. Secondary gamma radiation. Royal Society of South Australia. Transactions and Proceedings., 32 (1908), 163-192; Philosophical Magazine, S.6, 17 (1909), 423-448.
  7. The nature of gamma rays. Nature, 79 (1908), 67-68.
  8. The scattering of the beta rays of radium. Royal Society of South Australia. Transactions and Proceedings., 33 (1909), 1-10; Philosophical Magazine, S.6, 18 (1909), 909-915.
  9. Notes on wireless telegraphy. Electrical Association of New South Wales. Proceedings., (1911-12), 69-74.
  10. [Presidential address]. Sydney. University. Engineering Society. Journal and Abstract of Proceedings., 17 (1912-13), 5-10.
  11. [Presidential address]. Electrical Association of New South Wales. Proceedings., (1913-14), 75-98.
  12. Preliminary account of a magnetic extensometer. Electrical Association of Australia. Proceedings., 4 (1917-18), (N.S.W. Section), 175-194.
  13. Australian standards. Institution of Engineers, Australia. Transactions., 9 (1928), 91-106.
  14. The life and work of Michael Faraday and applications of his discovery of electro-magnetic induction. Institution of Engineers, Australia. Journal., 3 (1931), 330-332.
  15. Radio research. Australian and New Zealand Association for the Advancement of Science. Report of the Meeting., 23 (Auckland, 1937), 14-18.
  16. The ionosphere and its influence upon the propagation of radio waves. Sydney: Simmons Ltd., 1935. 45p. (University Queensland, John Murtagh Macrossan Lectures, 1935).
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