| Title | Water for all : step by step instructions for using a hand operated drilling rig |
| Publication Type | Miscellaneous |
| Year of Publication | 1986 |
| Authors | Laver, S |
| Pagination | 8 p.: fig. |
| Date Published | 1986-01-01 |
| Publisher | Blair Research Laboratory |
| Place Published | Harare, Zimbabwe |
| Keywords | drilling rigs, instructional aids, manual drilling, tube wells, ue, vonder rigs |
| Custom 1 | 212.5 |