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Whitney was born in Westborough, Massachusetts, on December 8, 1765, the eldest child of Eli Whitney Sr., a prosperous farmer, and his wife Elizabeth Fay, also of Westborough. The younger Eli was famous during his lifetime and after his death by the name "Eli Whitney", though he was technically Eli Whitney Jr.
Eli Whitney Blake Jr. (April 20, 1836 – October 1, 1895) was an American scientist. His father and namesake was an inventor and partner of the Blake Brothers manufacturing firm. The origin of the name Eli Whitney comes from Blake senior's uncle Eli Whitney, who changed the face of the cotton industry with the invention of the cotton gin. [1]
The following other wikis use this file: Usage on en.wikisource.org The Encyclopedia Americana (1920)/Whitney, Eli; Usage on fa.wikipedia.org ایلای ویتنی
In optics, a diffraction grating is an optical component with a regular pattern, which diffracts light into several beams. The first man-made diffraction grating was invented around 1785 in Philadelphia by David Rittenhouse who strung 50 hairs between two finely threaded screws with an approximate spacing of about 100 lines per inch.
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Pranysqa Mishra cruised into the live rounds of "America's Got Talent" with a Golden Buzzer she earned for singing a classic song by one of her favorite artists.. The 9-year-old Tampa, Florida ...
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