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Benjamin Franklin is credited with developing bifocal glasses in 1784. Some historians dispute this claim and it is possible that others were independently developing bifocal lenses around this time.
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Did Ben Franklin invent bifocals?
Yes, Ben Franklin did not invent bifocals but he is credited with popularizing them. He created a pair of glasses with two different lens powers, allowing for both distance and close-up vision.
Who is credited with the invention of the microscope lens?
The invention of the microscope lens is credited to Dutch spectacle maker Zacharias Janssen and his father Hans. They are believed to have created the first compound microscope with two lenses around the late 16th century.
What is a sentence using the word bifocals?
The bifocals he bought were used. The lower lenses on my bifocals allow me to read more easily.
What was Galiloe's invention?
Galileo didn't invent anything he just helped improve the telescope.
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
Is Benjamin Franklin's invention of the bifocals still being used today?
Yes, many people have bifocals.
What country is credited with the invention of the toothbrush?
China is credited with the invention of the toothbrush.
What Chinese invention did Benjamin Franklin use?
Glasses ...He invented Bifocals .
Are bifocals a great invention?
It has helped many people...but I guess it depends on the user's opinion!
The invention of cuneiform is credited to?
The Sumerians
Who invented glasses that make you see?
Benjamin Franklin is credited with the creation of the first pair of bifocals in the early 1760s.
Who is credited with the invention of cuneiform?
The Sumerians are credited for the inventionof cuneiform... Hope this helps!
What was an invention in 1967?
-Surgery Antiseptic- This invention is credited to joseph lister of England.
Who is credited with the invention of the dynamite?
Alfred Nobel
What country was credited with the invention of the pulley?
It was Sicily!
Who is credited with the invention of the first gasoline automobile?
the answer is me
