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Observations Concerning the Increase of Mankind, Peopling of Countries, etc. is a short essay written in 1751 by American polymath Benjamin Franklin. [1] It was circulated by Franklin in manuscript to his circle of friends, but in 1755 it was published as an addendum in a Boston pamphlet on another subject. [2]
Experiments and Observations on Electricity is a treatise by Benjamin Franklin based on letters that he wrote to Peter Collinson, who communicated Franklin's ideas to the Royal Society. [ 1 ] [ 2 ] The letters were published as a book in England in 1751, and over the following years the book was reissued in four more editions containing ...
Franklin Hiram King (8 June 1848 – 4 August 1911) was an American agricultural scientist who was born on a farm near Whitewater, Wisconsin, attended country schools, and received his professional training first at Whitewater State Normal School, graduating in 1872, and then at Cornell University. [1]
McCoy, Drew R. (October 1978). "Benjamin Franklin's Vision of a Republican Political Economy for America". The William and Mary Quarterly. 34 (4). Omohundro Institute of Early American History and Culture: 605– 628. doi:10.2307/1923207. JSTOR 1923207. Ross, Earle D. (February 1929). "Benjamin Franklin as an Eighteenth-Century Agricultural ...
Benjamin Franklin Drawing Electricity from the Sky, an artistic rendition of Franklin's kite experiment painted by Benjamin West, c. 1816 The BEP engraved the vignette Franklin and Electricity (c. 1860) which was used on the $10 National Bank Note from the 1860s to 1890s.
Benjamin Franklin pioneered the study of electricity by being the first to describe positive and negative charges, [61] as well as advancing the principle of conservation of charge. [62] Franklin is best known for the apocryphal feat of flying a kite in thunderstorm to prove that lightning is a form of electricity which, in turn, led to the ...
A nineteenth-century print based on Poor Richard's Almanack, showing the author surrounded by twenty-four illustrations of many of his best-known sayings. On December 28, 1732, Benjamin Franklin announced in The Pennsylvania Gazette that he had just printed and published the first edition of The Poor Richard, by Richard Saunders, Philomath. [4]
Benjamin Franklin's experiment with bells and a lightning rod has remained a popular example of electric phenomena in modern times. The experiment has been adapted and updated, and is now commonly used in classrooms and demonstrations to illustrate a variety of concepts related to electricity.