By Jennifer M. Black
Backed by way of the ASME historical past & history Committee With complete colour and black & white photos, this hardcover, photographic e-book highlights a hundred key landmarks within the heritage of mechanical engineering, units or strategies that experience formed the realm. the goods of mechanical engineering maintain the very cloth of contemporary lifestyles. a few are seen, just like the car; a few cover in the back of casings, just like the disk drives of desktops. occasionally they're huge and visual, just like the rockets that took astronauts to the moon; occasionally they're all yet invisible to most people, just like the pumps that supply water to our towns or the generators that generate our electrical energy. This quantity presents short introductions to a hundred key landmarks within the historical past of mechanical engineering, units or suggestions that experience formed the sector and greatly prompted smooth civilization. -- From the Foreword
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Backed by way of the ASME background & background Committee With complete colour and black & white photographs, this hardcover, photographic ebook highlights a hundred key landmarks within the historical past of mechanical engineering, units or options that experience formed the area. the goods of mechanical engineering maintain the very cloth of contemporary existence.
Extra resources for Machines That Made History: Landmarks in Mechanical Engineering
Though not the first hydroelectric plant in the United States, Folsom was the first to transmit electric power over long distances—nearly three times further than the more famous Niagara Falls to Buffalo line— demonstrating the potential of low-cost hydroelectric energy at a critical moment in the expansion of the electric distribution network in the US. After fifty-seven years of continuous duty, the Folsom plant was retired in 1952. indd 23 Folsom Power House #1 (1895) The Folsom Powerhouse (seen here from its dam), was one of the earliest large-scale hydroelectric plants to transmit power commercially over long distances.
Grant attempted to duplicate Conti’s accomplishment at “The Geysers,” a large geothermal field in northern California, but Grant couldn’t compete with the low rates of nearby hydroelectric plants. By the 1950s, a new partnership between the Magma Power Company, Thermal Power Company, and Pacific Gas & Electric led to the first successful, large-scale, commercial geothermal operation in the United States: the Geysers Unit 1. The plant began service in September 1960, generating 11 megawatts of electricity.
The engineers speculated that automated stoking would save labor costs while also improving combustion efficiency by increasing the coal’s burning surface. ). Gravity-fed crushing equipment ground the coal into powder and transferred it to the furnace through a system of screw conveyors, blowers, and tubes. To prevent the accumulation of slag inside the furnace and tubes, the engineers installed a radiant cooling system beneath the hearth. This “water screen” prevented the ash from sticking and turning into slag.