An air pump is a device for pushing air. Examples include a bicycle pump, pumps that are used to aerate an aquarium or a pond via an airstone; a gas compressor used to power a pneumatic tool, air horn or pipe organ; a bellows used to encourage a fire; a vacuum cleaner and a vacuum pump.
- George Wilson (Jan 15th, 1849), "On the Early History of the Air-pump in England", Proceedings of the Royal Society of Edinburgh
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