Images
© E. Nissen-Petersen, Kenya
Shallow ground water
© E. Nissen-Petersen, Kenya
© E. Nissen-Petersen, Kenya
Dowsing tool
© E. Nissen-Petersen, Kenya
© E. Nissen-Petersen, Kenya
© E. Nissen-Petersen, Kenya
© E. Nissen-Petersen, Kenya
Waterholes in riverbeds
© E. Nissen-Petersen, Kenya
Waterholes in riverbeds
© E. Nissen-Petersen, Kenya
Probing using probing rods hammered into the sand
© E. Nissen-Petersen, Kenya
Trial pits
© E. Nissen-Petersen, Kenya
Sand test
© E. Nissen-Petersen, Kenya
Plan of the Mwiwe riverbed
© E. Nissen-Petersen, Kenya
Longitudinal profile of Mwiwe riverbed
© E. Nissen-Petersen, Kenya
A direct action pump
© E. Nissen-Petersen, Kenya
A non-functioning India Mark II pump replaced with a windlass made of Sisal poles
© E. Nissen-Petersen, Kenya
A pump with a cylinder head of concrete
© E. Nissen-Petersen, Kenya
Hand pumps for deep wells and boreholes