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by Science Source
$32.00
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Edith Clarke, Clarke Calculator Patent Galaxy case by Science Source. Protect your Galaxy S8 with an impact-resistant, slim-profile, hard-shell case. The image is printed directly onto the case and wrapped around the edges for a beautiful presentation. Simply snap the case onto your Galaxy S8 for instant protection and direct access to all of the phone's features!
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Edith Clarke (February 10, 1883 - October 29, 1959) was an American electrical engineer. After being orphaned at age 12, she was raised by her older... more
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Protect your Galaxy S8 with an impact-resistant, slim-profile, hard-shell case. The image is printed directly onto the case and wrapped around the edges for a beautiful presentation. Simply snap the case onto your Galaxy S8 for instant protection and direct access to all of the phone's features!
Edith Clarke (February 10, 1883 - October 29, 1959) was an American electrical engineer. After being orphaned at age 12, she was raised by her older sister. She used her inheritance to study mathematics and astronomy at Vassar College, where she graduated in 1908. After college, Clarke taught mathematics and physics, briefly studied civil engineering at the University of Wisconsin-Madison, but left to become a human computer at AT&T in 1912. In 1918, Clarke enrolled at the Massachusetts Institute of Technology, and the following year she became the first woman to earn an M.S. in electrical engineering from MIT. Unable to find work as an engineer, she went to work for General Electric as a supervisor of computers in the Turbine Engineering Department. In 1921, she invented the Clarke calculator, a simple graphical device that solved equations involving electric current, voltage and impedance in power transmission lines. The device could solve line equations involving hyperbolic function...
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