History
The treadle pump was invented in 1980 by Gunnar Barnes, Agriculture Coordinator for Rangpur Dinajpur Rural Service (RDRS) (a program of Lutheran World Federation\World Service in northern Bangladesh), and Marceline P. Rozario, project coordinator of RDRS with input from Dan Jenkins, USAID engineer. They were made popular by International Development Enterprises (IDE).
Read more about this topic: Treadle Pump
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