[Logo] PHYSICS IN AUSTRALIA TO 1945

Inquiries and corrections to R.W. Home (home@unimelb.edu.au)
WWW edition prepared by Tim Sherrat and Victoria Young for Bright Sparcs, June 1995

BUILDER, Geoffrey

Born Cue, Western Australia, 21 June 1906; died Sydney 17 June 1960. Education University of Western Australia (B.Sc. 1928) and King's College London (Ph.D. 1933, D.Sc. 1955). Apprentice mechanic, Midland Railway Co., Western Australia, 1922-24. Demonstrator in physics University of Western Australia 1928. Assistant, Watheroo Magnetic Observatory, 1928-30. British Polar Year Wireless Expedition 1932-33. Research physicist, C.S.I.R. Radio Research Board, 1933-34. Officer-in-charge, A.W.A. Ltd. Research Laboratory, 1934-41. Major, A.M.F. 1942-45. Consulting engineer, Sydney, 1945-49. Senior lecturer in physics, Sydney University 1949-60.
  1. The effect of condensation-nuclei in atmospheric-electric observations. Terrestrial Magnetism and Atmospheric Electricity, 34 (1929), 281-286.
  2. Preliminary note on the atmospheric potentials recorded with ionium-collectors. Terrestrial Magnetism and Atmospheric Electricity, 35 (1930), 35-41.
  3. A simple method of investigating wireless echoes of short delay. Nature, 127 (1931), 970.
  4. (With E.V. Appleton) Wireless echoes of short delay. Physical Society, London. Proceedings., 44 (1932), 76-87.
  5. The existence of more than one ionised layer in the upper atmosphere. Wireless Engineer and Experimental Wireless, 9 (1932), 667-672.
  6. (With E.V. Appleton and R. Naismith) Ionospheric investigations in high latitudes. Nature, 132 (1933), 340-341.
  7. (With E.V. Appleton) The ionosphere as a doubly-refracting medium. Physical Society, London. Proceedings., 45 (1933), 208-220.
  8. Wireless apparatus for the study of the ionosphere. Institution of Electrical Engineers. Journal., 73 (1933), 419-436.
  9. The amplification of programme transients in radio receivers. Institution of Engineers, Australia. Journal., 6 (1934), 325-331; Australia. Council for Scientific and Industrial Research. Bulletin., 95 (1936), Australia. Radio Research Board. Report. 9, 44-58.
  10. A multi-range push-pull thermionic voltmeter. Institution of Engineers, Australia. Journal., 6 (1934), 444-445; Australia. Council for Scientific and Industrial Research. Bulletin., 95 (1936), Australia. Radio Research Board. Report. 9, 59-61.
  11. The graphical solution of simple parallel-tuned circuits. Institution of Engineers, Australia. Journal., 6 (1934), 445-446; Australia. Council for Scientific and Industrial Research. Bulletin., 95 (1936), Australia. Radio Research Board. Report. 9, 62-65.
  12. (With A.L. Green) On the rotation of the plane of polarization of long radio waves. Proceedings of the Royal Society of London, A, 145 (1934), 145-158; Australia. Council for Scientific and Industrial Research. Bulletin., 87 (1935), Australia. Radio Research Board. Report. 6, 9-18.
  13. The amplification of transients. Wireless Engineer and Experimental Wireless, 12 (1935), 246-250.
  14. (With A.L. Green) Modulation-frequency-change technique for ionospheric measurements. Physical Society, London. Proceedings., 47 (1935), 1085-1097.
  15. (With J.E. Benson) Noise interference in radio receivers. A.W.A. Technical Review, 2 (1936), 23-32.
  16. Quartz crystals for the control and measurement of frequency. A.W.A. Technical Review, 2 (1936), 104-105.
  17. Noise interference in radio receivers. Radio Review Australia, 4(12) (December 1936), 3-7.
  18. (With A.L. Green) Numerical spacing of Adcock aerials in short-wave direction-finding. Australia. Council for Scientific and Industrial Research. Bulletin., 111 (1937), Australia. Radio Research Board. Report. 13, 51-59.
  19. (With A.G. Brown) A four-wire privacy equipment for radiotelephone circuits. A.W.A. Technical Review, 3 (1937), 49-61.
  20. Resistance balancing in wave filters. Institution of Engineers, Australia. Journal., 9 (1937), 471-479; A.W.A. Technical Review, 3 (1938), 83-100.
  21. (With A.L. Green) Control of wireless signal variations. Institution of Electrical Engineers. Journal., 80 (1937), 610-622; Australia. Council for Scientific and Industrial Research. Bulletin., 111 (1937), Australia. Radio Research Board. Report. 13, 9-31.
  22. (With J.E. Benson) Precision frequency-control equipment using quartz crystals. World Radio Convention. Proceedings. (Sydney, 1938), paper no.31; A.W.A. Technical Review, 3 (1938), 157-214.
  23. (With J.D. Gilchrist) Communication equipment for vehicles. World Radio Convention. Proceedings. (Sydney, 1938), paper no.13; A.W.A. Technical Review, 3 (1938), 269-282.
  24. (With J.E. Bailey) Audio-frequency level indicators. A.W.A. Technical Review, 3 (1938), 321-339.
  25. A note on the reception of telegraphic signals. A.W.A. Technical Review, 4 (1939), 69-83.
  26. Duplex operation on a single aerial. A.W.A. Technical Review, 4 (1939), 93-104.
  27. (With N.F. Roberts) The synchronisation of a simple relaxation oscillator. A.W.A. Technical Review, 4 (1939), 165-179.
  28. A note on the determination of the equivalent electrical constants of a quartz-crystal resonator. A.W.A. Technical Review, 5 (1940), 41-45.
  29. (With J.G. Walton) A biased triode rectifier for automatic volume control in radio receivers. A.W.A. Technical Review, 5 (1940), 51-56.
  30. (With J.E. Benson) Simple quartz-crystal filters of variable bandwidth. A.W.A. Technical Review, 5 (1941), 93-103; Wireless Engineer, 20 (1943), 183-189.
  31. Additive frequency scales for a circuit tuned by a variable condenser. A.W.A. Technical Review, 5 (1941), 145-154.
  32. A stabilized frequency divider. Institute of Radio Engineers. Proceedings., 29 (1941), 177-181; A.W.A. Technical Review, 5 (1941), 217-228.
  33. (With J.E. Benson) Contour-mode vibrations in Y-cut quartz-crystal plates. Institute of Radio Engineers. Proceedings., 29 (1941), 182-185; A.W.A. Technical Review, 5 (1941), 181-189.
  34. (With J.G. Downes) Ultra-high-frequency radio-range and marker receivers for aircraft. A.W.A. Technical Review, 6 (1942), 1-15.
  35. Negative voltage feedback. Institution of Radio Engineers, Australia. Prodeedings., 6 (1945), 3-6.
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