The reflection seismograph: Its invention and use in the discovery of oil and gas fields, ca. 1973.
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University of Pennsylvania.
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The Department of Architecture at the University of Pennsylvania was part of the Towne Scientific School until 1920, when a separate School of Fine Arts was established, teaching architecture and other fine arts. Teaching staff and courses of instruction of the Towne Scientific School, Department of Architecture were listed in the Catalogue of the University of Pennsylvania. The School of Fine Arts published its teaching staff, regulations, courses of study, competitons and, in some years, curre...
Karcher, J. C. (John Clarence), 1894-1978
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Edison, Thomas Alva, 1847-1931
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Thomas Alva Edison (born February 11, 1847, Milan, Ohio – died October 18, 1931, West Orange, New Jersey), American inventor and businessman who has been described as America's greatest inventor. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. These inventions, which include the phonograph, the motion picture camera, and early versions of the electric light bulb, have had a widespread impact on the modern industrial...
University of Oklahoma.
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United States. Bureau of Standards
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