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In what year did Benjamin Franklin invent bifocal glassses? Benjamin Franklin invented bifocals in 1784. As announced in a letter to a friend, he called the new invention "double spectacles." No one else deserves this esteemed honor: Ben Franklin-Father of the Bifocal. Benjamin Franklin invented the lightning rod - iron furnace stove - bifocal glasses and odometer - sp Ben Franklin. For other uses of "Benjamin Franklin", "Ben Franklin", and "Franklin", see Benjamin Franklin (disambiguation) and Franklin (disambiguation). To experience the full power of Evi you can download her app for free on iOS, Android and Kindle Fire. You asked: what year did benjamin franklin invent the bifocals. Benjamin only had two years of formal education, which finished when he was ten years old, because his family could not afford the fees. What did Benjamin Franklin eat? Ben decided to become a vegetarian when he was 16 years old. “He does not possess wealth, it possesses him.” “Experience keeps a dear school, yet fools will learn in no other.” Benjamin Franklin. Invented the lightning rod, Franklins stove, bifocal glasses, and the urinary catheter. Информация взята v3.kz |
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