Definitions
from The Century Dictionary.
- noun A special form of force-pump combined with a pressuregage for testing the strength of boilers, tubes, etc., by means of water-pressure.
Etymologies
Sorry, no etymologies found.
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Examples
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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 James Braidwood
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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 James Braidwood
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