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Where and when were the bifocals invented?
ben Franklin invented his bifocals at his house in philly and made them on March 23.1784
Where were bifocals invented?
Bifocals were invented by Benjamin Franklin in the United States around 1784. Franklin designed them to help him see both up close and far away without having to switch between different pairs of glasses.
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
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.
Which of Ben Franklin's inventions helped the people measure distance?
a ruler
What did Benjamin Franklin invent and what nationality was he?
he invented bifocals
What did benjmian Franklin invent in 1900-2010?
bifocals
What did Benjaman Franklin invent for better sight?
The Bifocals
What did benjamen invent?
* lightning rod * Franklin stove * odometer * bifocals* lightning rod * Franklin stove * odometer * bifocals* lightning rod * Franklin stove * odometer * bifocals* lightning rod * Franklin stove * odometer * bifocals* lightning rod * Franklin stove * odometer * bifocals* lightning rod * Franklin stove * odometer * bifocals
What 5 things did Benjamin Franklin invent?
Lightning rod, bifocals, Franklin Stove, Odometer
How did ben Franklin become famous?
Ben became famous by inventing a lot of stuff. like the bifocals and Franklin stove.
Did ben franklin invent the phone?
Yes, Ben Franklin did invent many useful things! He invented the bifocals, the stove,longarm, swimfins, lightning rods, fireplace, glass armonica! ( Please a message....... davidrox2009@live.com add me!)
How did Benjamin Franklin invent the long arm?
Benjamin Franklin did not invent the long arm. He is credited with inventing the lightning rod, bifocals, and the Franklin stove, among other things.
What were Ben Franklin's top 5 inventions?
bifocals, lightning rod, flippers,
Who invented bifocals the lending library and an efficient heating stove?
Ben Franklin.
Who created eyeglasses for nearsighted and farsighted vision?
Ben Franklin, they are called bifocals
Did Benjamin Franklin invent the wetsuit?
No. Ben Franklin did not invent water skies, but he did invent swim fins.
