Leyden jar
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A Leyden jar is an electrical component that stores a high-voltage electric charge between electrical conductors on the inside and outside of a glass jar. It typically comprises a glass jar with metal
A "battery" of four water-filled Leyden jars, Museum Boerhaave, Leiden
Benjamin Franklin
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Benjamin Franklin was an American polymath who was one of the Founding Fathers of the United States; a drafter and signer of the Declaration of Independence; and the first postmaster general.
Leyden jar
…Daniel Gralath reported in 1747 that in 1746 he had conducted experiments with connecting two or three jars, probably in series. In 1746–1748, Benjamin Franklin experimented with charging Leyden jars in series, and developed a system involving 11 panes of glass with thin lead plates glued on each side, and then…
Portrait by Joseph Duplessis, 1785
An 1881 illustration of Franklin's birthplace on Milk Street in Boston
A May 2008 photograph of Franklin's birthplace in Boston, commemorated with a bust of Franklin atop the building's second-floor façade
La scuola della economia e della morale, an 1825 sketch of Franklin