Books tagged: stonework

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The Sun Devices
By
Price: $3.99 USD. Words: 59,620. Language: English. Published: November 30, 2010. Category: Nonfiction » Science and Nature » Ecology and Environment
The Sun Devices contains series of solar tools designed to help individuals and organizations use solar energy. Each is based on ancient designs, simply updated with new materials and needs in mind. Areas include stone techniques, metalwork, recycling, new material synthesis, water/alcohol distillation, cooking and electrical power generation. Most of the devices are inexpensive and easy to build.