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Selecting the Optimum Pipe Size - PDHonline.com
www.pdhonline.comfarm. In the early 1700s, New York, as well as Boston, had constructed a wooden pipe system under the roads, and sold water at street pumps or hydrants. Wooden pipes were common until the early 1800s when the increased pressure required to pump water into rapidly expanding city streets began to split the pipes. A change was made to iron.