from The Century Dictionary and Cyclopedia

  • n. A special form of force-pump combined with a pressuregage for testing the strength of boilers, tubes, etc., by means of water-pressure.


Sorry, no etymologies found.


  • When the hose are completely finished in this manner they are proved by a proving-pump, and if they stand a pressure of two hundred feet of water they are considered fit for service.

    Fire Prevention and Fire Extinction

  • The method of proving by an engine is considerably better than this; but when a proving-pump can be obtained it is infinitely better than either.

    Fire Prevention and Fire Extinction


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