Ottosson, Hans J.; Mattson, Christopher A.; Johnson, … - In: Development Engineering 7 (2022), pp. 1-9
The India Mark II/III hand pump system is now over 40 years old and has become a staple in how water is retrieved in many rural areas across India and Africa. With over 4 million installations, it is estimated that 10% of the world's population is using one on a daily basis. One of the...
