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8731 items found (Showing 8691 - 8700)
  1. 1995-01-01 The current design offered in this manual has evolved from the Bangladesh original into a fully portable pump with both lift and pressure capacity, and is expecially appropriate to situations where soils are permeable and water cannot easily be distributed through channels. The manual is intended...  
  2. 1975-01-01 The purpose of this book is to give 5 basic projects which you can do in your home without any special hard-to-use tools or any hard-to-get materials. We want to show you the way to construct these machines, so you learn the principles and can then apply them to our demonstrated projects or to...  
  3. 1974-01-01 Investigates the underlying principles and potential of new approaches to small-scale power production involving wind, water, organic wastes, wood, and solar energy. 322 pages, illustrated  
  4. 1991-07-01 The MCC Rower pump is a simple and low cost means of drawing water for irrigation or household use. Presented here is a simplified West African version of the pump, purposely designed for local production by a village blacksmith or craftsperson, using hand tools only. 36 pages, illustrated  
  5. 1986-01-01 This sourcebook is a preliminary effort to prepare a reference book which covers many of the aspects of planning and implementing micro-hydropower schemes in developing countries. 285 pages, illustrated, photos  
  6. 1964-01-01 The most plentiful and cheapest energy is ours for the taking. While we exhaust our natural energy resources we ignore the one inexhaustible source-solar energy. We can use it now to actually supply most of the power needs of an average household in many parts of the world. 271 pages,...  
  7. The major purpose of this handbook is to describe low-cost activities that can be locally developed by villagers. This second edition aims at helping to generate village-improvement in many nations through listing additional ideas, methods and materials that have proven useful in villages...  
  8. This is a good book for students studying psychology, counseling, human and mental health. The book provided much needed information and skills for these fields.  
  9. 1990-01-01 This publication includes chapters on the perennial sesbanias, establishment and management, fodder, wood, soil improvement and alley farming, food and other uses, and seed production. 40 pgs, illus  
  10. In preparing this 4th ediction, the authors have sought to provide a text for medical students, a useful volume for undergraduate and graduate students, and a review for graduate practicing physicians who wish to remain au courant with developments in biochemistry.