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Inventors --- Biography --- Edison, Thomas A --- -Inventions --- Engineers --- Edison, Thomas A. --- Edison, Thomas Alva, --- -Biography --- Biography. --- Edison, Thomas A., --- Ai-ti-sheng, --- Ėdison, Tomas Alʹva, --- Ėdisson, Tomas-Alʹva, --- トーマス· A ·エジソン, --- Edison (Thomas Alva) --- Edison (Thomas Alva). --- Inventors - United States - Biography --- Edison, Thomas Alva, - 1847-1931
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Over the course of less than 20 years, inventor Frank J Sprague (1857-1934) achieved an astonishing series of breakthroughs. Frederick Dalzell tells Sprague's story, setting it against the backdrop of one of the most dynamic periods in the history of technology.
Inventors --- Electrical engineers --- Electric utilities --- History --- Sprague, Frank J. --- Electric companies --- Electric light and power industry --- Electric power industry --- Sprague, F. J. --- Electric utilities -- United States -- History -- 20th century. --- Electrical engineers -- United States -- Biography. --- Inventors -- United States -- Biography. --- Sprague, Frank J. -- (Frank Julian), -- 1857-1934. --- Electric industries --- Energy industries --- Public utilities --- E-books --- BUSINESS/Management --- HUMANITIES/Biography & Autobiography --- ENGINEERING/Electrical Engineering
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