The inlet pipe enters an elliptical vessel which communicates with the cylinder a little way up from its base, whilst at the base there is a relief tube leading into the elliptical vessel already mentioned.
Havant lies in a flat coastal district, near the head of Langstone Harbour, a wide shallow inlet of the English Channel.
KIAOCHOW BAY, a large inlet on the south side of the promontory of Shantung, in China.
There is now neither inlet nor outlet to the lake in this direction, the mouth of the Ghazal having become a fertile millet field.
This type of pump is, however, not very efficient, for there is not only leakage about the valves and between the piston and cylinder, but at a certain degree of exhaust the air within the vessel is insufficient to raise the inlet valve; this last defect has been met in some measure by using an extension of the piston to open and close the valve.