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What are some inventions in 1700-1730?
Ben Franklin was a very famous inventor through the 1700-1730's. He created bifocal glasses and fireplaces. He also made many more inventions. His inventions were most popular in the Middle Colonies, Pennsylvania. Bifocal glasses cost about 20 pounds and fireplaces were about 30-32. These were invented in about 1730.
How have bifocal eyeglasses changed our lives?
hihih9
What is the difference between an inventor and a designer?
an inventor is a designer but a designer is not an inventor
Who is the inventor of fiberglass?
inventor of fiberglass
What is the possessive form for inventor?
The possessive form of the noun inventor is inventor's.Example: The inventor's patent was finally granted.
Inventor of bifocol glasses?
The inventor of the bifocal glasses was Benjamin Franklin.
Inventor of bifocal glasses?
Benjamin Franklin
Where was the bifocal glasses born?
Benjamin Franklin in America is usually regarded as the inventor of the Bifocal glasses .
Who created the first bifocal eyeglasses?
Ben Franklin was the inventor of the first bifocals.
Was Benjamin Franklin an amerrican inventor?
Yes.Some of Ben Franklin's inventions was the lightning rod,bifocal glasses, and the iron furnace stove.
Which word starts with bi and means having 2 eyepieces?
Bifocal
Did Richard Nixon were glases?
no
Where are your glases?
on your head probably if you have them.
How do you use bifocal in a sentence?
My gran has some bifocal glasses.
Which is better science general or science bifocal?
science bifocal
Did John Quincy Adams where glases?
Yes he did
Which of disneys seven dwarfs were glases?
Doc.
