How to Make a Rope-and-washer Pump


Book Description

Shows how to make a simple, cheap, pump suitable for small-holding and garden use, a pump which can raise water from rivers or wells, with lifts of up to 30 metres. A simple clear text, with line drawings, showing how common materials can be used.




The Human-Powered Home


Book Description

What if I could harness this energy? An unusual question for anyone putting in a long stint on a treadmill perhaps, and yet human power is a very old, practical and empowering alternative to fossil fuels. Replacing motors with muscles can be considered a political act -- an act of self-sufficiency that gains you independence. The Human-Powered Home is a one-of-a-kind compendium of human-powered devices gathered from a unique collection of experts. Enthusiasts point to the advantages of human power: Portable and available on-demand Close connection to the process or product offers more control Improved health and fitness The satisfaction of being able to make do with what is available This book discusses the science and history of human power and examines the common elements of human-powered devices. It offers plans for making specific devices, grouped by area of use, and features dozens of individuals who share technical details and photos of their inventions. For those who want to apply their own ingenuity, or for those who have never heard of human-powered machines, this book is a fine reference. For those who are beginning to understand the importance of a life of reduced dependency on fossil fuels, this book could be a catalyst for change.




Pumps and Hydraulics, Part I


Book Description

Reproduction of the original: Pumps and Hydraulics, Part I by William Rogers




Pumps and Hydraulics


Book Description

Reproduction of the original: Pumps and Hydraulics by William Rogers




World Water Actions


Book Description

This text is divided into three parts. Part I focuses on the need for management to assess the challenges of water scarcity and plan changes based on proper valuation and financial instruments, international co-operation and efficient use. Part II analyses the problems of water scarcity and the available solutions in each main sector: water supply and sanitation, energy, health, agriculture, ecosystems and biodiversity. Part III assesses the state of the debate following the third World Water Forum and sets out the priorities for action, including increased investment, institutional reform and capacity building in the water sector. Downloadable resources with extensive case studies and statistical data accompanies this text.




Popular Mechanics


Book Description

Popular Mechanics inspires, instructs and influences readers to help them master the modern world. Whether it’s practical DIY home-improvement tips, gadgets and digital technology, information on the newest cars or the latest breakthroughs in science -- PM is the ultimate guide to our high-tech lifestyle.










The Scientific Correspondence of Sir Joseph Banks, 1765-1820 Vol 2


Book Description

A record of fifty years of intellectual and technological activity. This record provides an insight into the development of science and discovery from the Eighteenth to the early Nineteenth Century. It links British science and society to developments on the continent of Europe, the West Indies, North America and to countries farther afield.