10.17028/rd.lboro.7688411.v1 Glenda McMahon Glenda McMahon Ken Chatterton Ken Chatterton The Volanta handpump Loughborough University 2019 WEDC Water for low-income communities Types of pumps Pumps International and Development Communication 2019-02-20 17:01:32 Figure https://repository.lboro.ac.uk/articles/figure/The_Volanta_handpump/7688411 The Volanta handpump