The Vergnet footpump 1
Glenda McMahon
Ken Chatterton
10.17028/rd.lboro.7959281.v1
https://repository.lboro.ac.uk/articles/figure/The_Vergnet_footpump_1/7959281
The Vergnet footpump 1
2019-05-02 11:35:11
WEDC
Pumps
Technical
Diagram
Wells
International and Development Communication