So that they could see distance, and be able to read with one pair of glasses instead of two.
ben Franklin invented his bifocals at his house in philly and made them on March 23.1784
Benjamin Franklin had very bad vision and could not read very well so he needed something so that he could see better that why he made bifocals
No, George Washington did not invent bifocals, but he is often credited with popularizing them. The invention of bifocals is attributed to Benjamin Franklin, who created them in the 18th century to address his own vision issues. Washington, however, was known to have used bifocals later in life, and he had a pair made for himself by an optician.
they were made out of metal
they were made out of metal
Benjamin Franklin invented bifocals,urinary catheter,a better kind of ship,lightning rod,Franklin stove,odometer.and The Long Arm. Well they are true and real he was a great inventor and discovered a lot of things.
Bifocals were invented by Benjamin Franklin, who created them to help him see both near and far without changing glasses. The glass armonica, an instrument made of glass bowls that produce musical tones when rubbed, was also invented by Franklin in 1761. Both inventions reflect his innovative spirit and contributions to science and music.
Many things. He made the first public library, fire company, hospital, bifocals, lightning rod, odometer, fireplace, battery, and much more.
President Franklin Pierce
1783 and was made until now
He became famous after his experience in a lightning storm trying to work out what electricityis.
He did the following Invented the lightning rod He made the first political cartoon He created bifocals He was the first US Post Master General Hope this helps