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 |