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Benjamin Franklin was born on Milk Street, in Boston, Massachusetts, on January 17, 1706, and baptized at Old South Meeting House. He was one of seventeen children born to Josiah Franklin, and one of ten born by Josiah's second wife, Abiah Folger; the daughter of Peter Foulger and Mary Morrill.
lightning conductor (UK) is a metal rod mounted on a structure and intended to protect the structure from a lightning strike. If lightning hits the structure, it will preferentially strike the rod and be conducted to ground
Bifocals are eyeglasses with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism.
Franklin's electrostatic machine
on display at the Franklin Institute
Franklin's Electrostatic Machine is a high-voltage static electricity generating device used by Benjamin Franklin in the mid-eighteenth century for research into electrical phenomena
A Franklin stove
The Franklin stove is a metal-lined fireplace named after Benjamin Franklin, who invented it in 1741.[1] It had a hollow baffle near the rear (to transfer more heat from the fire to a room's air) and relied on an "inverted siphon" to draw the fire's hot fumes around the baffle.[2] It was intended to produce more heat and less smoke than an ordinary open fireplace, but it achieved few sales until it was improved by David Rittenhouse. It is also known as a "circulating stove" .
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On April 17, 1790, American statesman, printer, scientist, and writer Benjamin Franklin dies in Philadelphia at age 84.
Benkamin Franklin's inventions were very useful in his days and many of them we still use them today. His inventions inproved people's lives. Some of his inventions that helped improve people's lives are; the odometer, the catheter, the Franklin stove, the flippers to swim, the "Long Arm", and he designed the first clock with the second hand. His contribution to fund the first hospital in Pennsylvania, creating the first fire department, his early promoting of eating citrus fruits to prevent scurvy, and his contribution in the first sanitation department improved people's safety. He also contributed in electricity
https://prezi.com/ow3jvdheb6ww/why-did-benjamin-franklin-change-the-world/,https://en.wikipedia.org/wiki/Lightning_rod,https://en.wikipedia.org/wiki/Bifocalshttps:,//en.wikipedia.org/wiki/Franklin_stove,https://en.wikipedia.org/wiki/Franklin%27s_electrostatic_machine