10.17028/rd.lboro.7680692.v1 Glenda McMahon Glenda McMahon Ken Chatterton Ken Chatterton A hydram pump Loughborough University 2019 WEDC Technical Pumps Pumping station Windpumps Water for low-income communities Bucket International and Development Communication 2019-02-18 18:51:26 Figure https://repository.lboro.ac.uk/articles/figure/A_hydram_pump/7680692 A hydram pump