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What is a Philips Gauge?

  1. Apr 12, 2010 #1
    Hello,

    I have read an interesting paper from the Proceedings of the American Philosophical Society about the use of the V-2 rocket at White Sands, New Mexico for high-altitude research. In it the different gauges for atmospheric pressure measurement were mentioned, as well as the difficulty to cover a pressure range of 108 mmHg.

    The article then went on by explaining that the pressure is first measured by a bellows gauge, then by a Pirani gauge. For the lowest pressures either ionization or "Philips" Gauges would be used. I would like to know what a Philips Gauge is, because I did not find information on that on the Internet.

    Thank you!
     
  2. jcsd
  3. Apr 12, 2010 #2

    tiny-tim

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    Last edited by a moderator: Apr 25, 2017
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