Chapter 1: | Water Supplies |
Plate 3. “Cow-tail” lift pump.

Source. Author's drawing from local “cow-tail” pump.
valve so that the water above the piston was lifted until it flowed out of the spout. The suction caused by the rising piston with the clack valve closed opened the tail valve and replaced the debouched water. The tail valve then closed, retaining the raised water ready for the next cycle.
One step up from simply filling a bucket or sink from the lift pump was to provide a tap on the ground floor of the house supplied from a lift pump and storage cistern installed in a water tower at the necessary