The design of the Downton pump sought to create a more constant flow of pumped liquid, and a steadier load-state on the pump, by increasing the number of buckets operating in the pump. These buckets were actuated by means of a rotating crankshaft and connecting rods, which caused the buckets to reciprocate up and down, with each feeding the next with liquid.
The power source for the pump could be either mechanical or human, with human powered Downton pumps being operated by means of a capstan.
-  Catalogue Of The Mechanical Engineering Collection In The Science Division Of The Victoria And Albert Museum, South Kensington, Various Authors. ISBN 1-4067-8053-7, ISBN 978-1-4067-8053-6
-  Description and photographs of the Downton pump
-  Photographs and description of Downton Pump, The Engineers and Mechanics Encyclopedia.
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