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GB191308658A
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Improvements in or relating to Devices for Measuring or Regulating the Quantity of Fluid Forced by a Centrifugal Compressor, Pump or the like.
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GB191212990A
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Improvements in or relating to Devic1es for Measuring or Regulating the Quantity of Liquid Forced by a Pump or the like.
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CA139668A
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Rotating pump
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GB190917098A
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Improvements in or relating to the Regulation of Centrifugal Machinery, such as Pumps, Fans and the like.
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GB190914115A
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Improved Process and Apparatus for Conveying and Compressing Gases.
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