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5 things Benjamin Franklin made?
lightning rod, glass harmonica, Franklin stove, bifocal glasses, and flexible urinary catheter
When did Benjamin Franklin start inventing?
Benjamin Franklin invented the well-known lightning rod, the glass armonica (which is a glass instrument; many get this instrument confused with the metal harmonica), the Franklin stove, bifocal glasses, and the very flexible urinary catheter. note: Benjamin Franklin never patened his inventions.
Who inspired Benjamin Franklin to invent bifocals?
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
Benjamin Franklin discoveries?
Benjamin Franklin is known for many different things. Some of these discoveries and inventions include the lightning rod, the glass armonica, the Franklin stove, bifocal glasses, and a flexible catheter.
What are some of Benjamin Franklin inventions?
he invented the bifocals Franklin stove glass harmonicaANSWERFranklin was a prodigious inventor. Among his many creations were the lightning rod, the glass harmonica, the Franklin stove, bifocal glasses, and the flexible urinary catheter. Franklin never patented his inventions; in his autobiography he wrote, "A's we enjoy great advantages from the inventions of others, we should be glad of an opportunity to serve others by any invention of ours; and this we should do freely and generously."Above retrieved from WikipediaViper1
5 things Benjamin Franklin made?
lightning rod, glass harmonica, Franklin stove, bifocal glasses, and flexible urinary catheter
When did Benjamin Franklin start inventing?
Benjamin Franklin invented the well-known lightning rod, the glass armonica (which is a glass instrument; many get this instrument confused with the metal harmonica), the Franklin stove, bifocal glasses, and the very flexible urinary catheter. note: Benjamin Franklin never patened his inventions.
Who inspired Benjamin Franklin to invent bifocals?
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
What where things Benjamin Franklin invented?
Benjamin Franklin invented several notable items, including the lightning rod, which helped protect buildings from lightning strikes, and the Franklin stove, an efficient fireplace design. He also created bifocal glasses, allowing people to see both near and far without switching glasses. Additionally, Franklin's experiments with electricity led to the invention of the armonica, a musical instrument made of glass. His contributions extended beyond inventions to include significant advancements in the understanding of electricity and civic projects like public libraries and fire departments.
Benjamin Franklin discoveries?
Benjamin Franklin is known for many different things. Some of these discoveries and inventions include the lightning rod, the glass armonica, the Franklin stove, bifocal glasses, and a flexible catheter.
Where was the bifocal made?
Bifocal lenses were invented by Benjamin Franklin in the 18th century. He is believed to have created them in his home in Philadelphia, Pennsylvania, as a solution for his own vision problems. Franklin's design involved combining two different optical prescriptions into a single lens, allowing for both distance and near vision correction.
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.
What are facts about bifocal glasses?
they were made in 1784 he didnt actuallly counstruct it a man in France or London did it for him
Who invented bifocal contact lenses?
The idea dates back to ancient Egypt where heiroglyphs mention small lenses that made things larger. In 1 AD, Seneca the Younger (tutor of Nero) noted that small letters could be seen larger with a globe or glass bowl filled with water. In 1284, Salvino D'Armante created the first wearable pair. Later improvments include concave lenses by Nicholas of Cusa and dual panel bifocals from Benjamin Franklin
What are some of Benjamin Franklin inventions?
he invented the bifocals Franklin stove glass harmonicaANSWERFranklin was a prodigious inventor. Among his many creations were the lightning rod, the glass harmonica, the Franklin stove, bifocal glasses, and the flexible urinary catheter. Franklin never patented his inventions; in his autobiography he wrote, "A's we enjoy great advantages from the inventions of others, we should be glad of an opportunity to serve others by any invention of ours; and this we should do freely and generously."Above retrieved from WikipediaViper1
Which profession or professions made Benjamin Franklin famous?
Benjamin Franklin was a printer and inventor.
What were Ben Franklin's contributions outside politics?
Outside of politics, Benjamin Franklin made significant contributions to science, particularly in electricity, where he conducted groundbreaking experiments and invented the lightning rod. He was also an accomplished inventor, creating items such as the Franklin stove and bifocal glasses. Additionally, Franklin was a prolific writer and founded the first public library in America, promoting education and literacy. His work in establishing the first insurance company and a volunteer fire department further demonstrated his commitment to civic improvement.
