Thomas Jefferson
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As a scientist, his studies of electricity made him a major figure in the American Enlightenment and the history of physics. He also charted and named the Gulf Stream current. His numerous important inventions include the lightning rod, bifocals, and the Franklin stove. [7] .
He coined new English words for the new science of electricity— conductor, charge, discharge, condense, armature, electrify, and others. He showed that electricity was a single “fluid” with positive and negative or plus and minus charges and not, as traditionally thought, two kinds of fluids.
Dec 16, 2016 · Franklin invented bifocal eyeglasses by cutting the lenses of two pairs of spectacles and preserving “half of each kind associated in the same Circle.” This allowed Franklin to move his “Eyes up or down, as I want to see distinctly far or near.”
Dec 10, 2020 · Franklin was a prolific inventor and scientist who was responsible for the following inventions: Franklin stove: Franklin’s first invention, created around 1740, provided more heat with...
His inventions include the Franklin stove and bifocal spectacles, and his experiments helped pioneer the understanding of electricity. He served as a member of the colonial legislature (1736–51). He was a delegate to the Albany Congress (1754), where he put forth a plan for colonial union.
Jul 3, 2019 · Benjamin Franklin invented the lightning rod, the iron furnace stove, bifocal glasses, and odometer, just to name a few of his accomplishments.
Benjamin Franklin is credited with the invention of bifocal glasses, which he sketched here for his friend George Whatley, a London merchant and pamphleteer.
