Lambert, Robert
How to make a rope-and-washer pump - London Intermediate Technology Pub. 1990 - iv, 27p. : ill., photos.
1853390224
PUMPS
WELL PUMPS
621.65/.68 / L3
How to make a rope-and-washer pump - London Intermediate Technology Pub. 1990 - iv, 27p. : ill., photos.
1853390224
PUMPS
WELL PUMPS
621.65/.68 / L3