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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 ...
During his entire adult life Franklin saved his correspondence, documents and other writings, which today include some 30,000 extant items. The Papers of Benjamin Franklin is a collaborative effort by a team of scholars at Yale University, American Philosophical Society and others who have searched, collected, edited, and published the numerous letters from and to Benjamin Franklin, and other ...
Benjamin Franklin and a Rising People. Little, Brown and Company. Finger, Stanley (2012). Doctor Franklin's Medicine. University of Pennsylvania Press. ISBN 978-0-8122-0191-8. Franklin, Benjamin (1751). "Experiments and Observations on Electricity". E. Cave – via Smithsonian Libraries. Garche, Jürgen (2013).
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.
Many of Franklin's scientific pursuits, mostly involving electricity, occurred while he was in England, where was made a member of the Royal Society [14] and worked with scientists like John Canton, [15] Peter Collinson, Johann Friedrich, John Hadley, Georg Wilhelm Richmann and Joseph Priestley, a well-known scientist in his own right who ...
Benjamin Franklin's father, Josiah Franklin, was a tallow chandler, soaper, and candlemaker. Josiah Franklin was born at Ecton, Northamptonshire, England, on December 23, 1657, the son of Thomas Franklin, a blacksmith and farmer, and his wife, Jane White. Benjamin's father and all four of his grandparents were born in England. [13]
Franklin bells are only a qualitative indicator of electric charge and were used for simple demonstrations rather than research. The bells are an adaptation to the first device that converted electrical energy into mechanical energy in the form of continuous mechanical motion: in this case, the moving of a bell clapper back and forth between ...