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From The Collaborative International Dictionary of English v.0.48:
Pulsometer \Pul*som"e*ter\, n. [Pulse + -meter.] [1913 Webster] 1. A device, with valves, for raising water by steam, partly by atmospheric pressure, and partly by the direct action of the steam on the water, without the intervention of a piston; -- also called vacuum pump. [1913 Webster] 2. A pulsimeter. [1913 Webster]