Frank Julian Sprague: electrical inventor & engineer
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Language
English
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Subjects
Subjects
Biographies
Biography & Autobiography
Electrical
Electrical engineers
Electrical engineers -- United States -- Biography
Electric railroads
Electric railroads -- United States -- History -- 20th century
History
Inventors
Inventors -- United States -- Biography
North America
Public Transportation
Railroads
Science & Technology
Sprague, Frank J
Sprague, Frank J. -- (Frank Julian), -- 1857-1934
Technology & Engineering
Transportation
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