Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
Although not state-of-the-art, this handbook contains much information on 30 different basic types of windmills including technical drawings, tables and graphs.
UNESCO (1982): Consolidation of information. Windpump Handbook. Paris: United Nations Educational, Scientific and Cultural Organisation URL [Accessed: 07.05.2012] PDF