Nature 142, 1150-1150 (31 December 1938) | doi:10.1038/1421150a0

R. W. Paul: Award of Duddell Medal

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THE Duddell Medal of the Physical Society has been awarded to Mr. Robert W. Paul, who is known as a pioneer in two distinct industries, namely, the manufacture of electrical measuring instruments and the development of the cinematograph. 'Mr. Paul started on his own account as a maker of electrical instruments at 44 Hatton Garden in 1891, and with the collaboration of many of the chief electrical engineers of the day, produced a series of instruments which found their way into the majority of the electrical laboratories of the world. Amongst these may be mentioned the Ayrton-Mather galvanometers, electrostatic voltmeters, etc. The inductometers and other instruments designed by Albert Campbell introduced to industry instruments capable of measuring high-frequency currents to an accuracy previously unobtainable. In 1903 he invented the Unipivot galvanometer with which his name has been closely associated. The simplicity, robustness and high sensitivity of this instrument appeal to all users of galvanometers, and it still remains a popular instrument. During the Great War Mr. Paul assisted in the development of anti-aircraft height-finders and also of antisubmarine devices. In 1919 Mr. Paul’s business was incorporated with the Cambridge Scientific Instrument Co. under the title of the Cambridge and Paul Instrument Co., later changed to the Cambridge Instrument Co.