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A Rare Surviving Letter From Martha Washington Sheds Light on Her Young Daughter's Struggle With Epilepsy

Kaynak: Smithsonian Magazine ·

Recently obtained by the Library of Congress, the 1760 letter offers positive news about the health of four-year-old Martha Parke Custis, known as Patsy, the stepdaughter of George Washington

A Rare Surviving Letter From Martha Washington Sheds Light on Her Young Daughter's Struggle With Epilepsy nedir?

A Rare Surviving Letter From Martha Washington Sheds Light on Her Young Daughter's Struggle With Epilepsy, Makale kategorisinde yer alan ve Smithsonian Magazine üzerinden sunulan bir keşiftir. Recently obtained by the Library of Congress, the 1760 letter offers positive news about the health of four-year-old Martha Parke Custis, known as Patsy, the stepdaughter of George

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The Dynamo-Electric Principle: 160 Years of Powering Industry

This article is brought to you by Innomotics . In the annals of industrial history, few innovations have demonstrated such remarkable staying power as the dynamo-electric principle. Discovered by Werner von Siemens in 1866, this groundbreaking principle remains fundamental to modern electrical engineering more than a century and a half later – and continues to shape the technology portfolio of Innomotics , a globally leading provider of electric motors and large drive systems. What began as a breakthrough in electromechanical energy conversion has evolved into a cornerstone of global industry

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