For full list of titles, please check product gallery. These are not paper-white copies of e-books, some of these titles are 100-150 years old, and these pdf's are scans of the original books. Please note this DVD is for use in a computer that has a DVD optical drive, it will not work in a traditional DVD player that is connected to a television. Files can be printed and/or transferred to tablets/phones/other devices. Air and water, their impurities and purification (1862) Air, water and food from a sanitary standpoint (1904) Chlorination of water (1918) Chlorine control apparatus for water and sewage purification (c.1915) Clean water and how to get it (1914) Conservation of water (1913) Irrigation wells and well drilling (1951) Irrigation wells and well-drilling methods in California (1945) Johnson's new handy manual on plumbing, heating, ventilating and mechanical refrigeration (1920) Pipe and pipe fittings (c.1910) Potable water and methods of detecting impurities (1906) Rudimentary treatise on well-digging, boring, and pump-work, with illustrations (1851) Rural water supplies and their purification (1918) Silicic acid, its influence and removal in water purification (1921) The action of bleaching powder in water purification (1909) The self-purification of streams (1903) Water purification and sewage disposal (1913) Water purification by ozone (1911) Water purification for the country home (1922) Water purification plants and their operation (1915) Water; its purification and use in the industries (1912)
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