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Who invented bifocals the lending library and an efficient heating stove?
Ben Franklin.
Name 5 inventors and what they invented?
Ben Franklin:glass harmonica, bifocals, lightning rod
Where and when were the bifocals invented?
ben Franklin invented his bifocals at his house in philly and made them on March 23.1784
In what year were soft bifocal contact lenses invented?
Benjamin Franklin is generally credited with the invention of bifocals in 1784
Who invented the bifocals and the lighting rod?
Benjamin Franklin is credited with inventing both the bifocals and the lightning rod. He created bifocals to address his presbyopia, a condition that causes difficulty in focusing on close objects, and he invented the lightning rod to protect buildings from lightning strikes by grounding the electrical charge.
What did Benjamin Franklin have or ivent?
Ben Franklin invented the Lighting Rod,Bifocals,Frankiln Stove,Carriage Odometer and the Glass Armonica.
Who invented bioforcal glasses?
Benjamin Franklin invented the bifocals
What were the bifocals invented for?
Ben Franklin was getting older and couldn't see as well he had both kinds of glasses near sighted and far sighted he cut the lens in half and then glued them together this was the 1st pair of bifocals
Did president George Washington invent bifocals?
George Constant Louis Washington, not the president of the United States, is fabled to have invented bifocals. However Benjamin Franklin invented bifocals on May 23, 1785.
What did Benjamin Franklin invent and what nationality was he?
he invented bifocals
Who invented the bifocals?
I've read that Benjamin Franklin invented them...
What year was the bifocals invented?
The bifocals were invented in 1784, by Benjamin Franklin, because he had seeing problems, and put two lenses of glass together to magnify his vision.
