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There is a fusee in the earliest surviving spring-driven clock, a chamber clock made for Philip the Good in c. 1430. [109] Leonardo da Vinci , who produced the earliest known drawings of a pendulum in 1493–1494, [ 110 ] illustrated a fusee in c. 1500, a quarter of a century after the coiled spring first appeared.
Eddy Goldfarb (born Adolph Goldfarb; September 5, 1921) is an American toy inventor.The creator of over 800 toys, [1] he is best known for inventing Yakity Yak Talking Teeth, Battling Tops, KerPlunk, Stompers, and Vac-U-Form.
The longcase clock (also known as the grandfather clock) was created to house the pendulum and works by the English clockmaker William Clement in 1670 or 1671. It was also at this time that clock cases began to be made of wood and clock faces to use enamel as well as hand-painted ceramics. In 1670, William Clement created the anchor escapement ...
He also invented a device to combine sound with motion pictures. [18] This attracted the attention of local entrepreneur Joseph A. Numero of Minneapolis, Minnesota . Numero owned a company that manufactured audio equipment called Ultraphone Sound Systems Inc. and was later renamed Cinema Supplies Inc. [ 18 ] He hired Jones in 1927 as an ...
The Mayors: The Chicago Political Tradition (1995); essays by scholars covering important mayors before 1980; Green, Paul M., and Melvin G. Holli. Chicago, World War II (2003) excerpt and text search; short and heavily illustrated; Gustaitis, Joseph. Chicago's Greatest Year, 1893: The White City and the Birth of a Modern Metropolis (2013) online
Use of LifeStraw. The original LifeStraw is a plastic tube 22 centimetres (8 + 5 ⁄ 8 in) long and 3 centimetres (1 + 1 ⁄ 8 in) in diameter. [8] Water that is drawn up through the straw first passes through hollow fibres that filter water particles down to 0.2 µm across, using only physical filtration methods and no chemicals.
Scherzer entered into business for himself in 1893 in Chicago as a consulting and contracting engineer. [2] Scherzer was the inventor of a refinement of the bascule bridge called the Scherzer rolling lift bridge. [1] [3] His last engineering work before he died, done in 1893, was the design of two of these rolling lift bridges in Chicago. His ...
Thomas Mudge, inventor of the lever escapement. The lever escapement, invented by Thomas Mudge in 1754 [18] and improved by Josiah Emery in 1785, gradually came into use from about 1800 onwards, chiefly in Britain; it was also adopted by Abraham-Louis Breguet, but Swiss watchmakers (who by now were the chief suppliers of watches to most of Europe) mostly adhered to the cylinder until the 1860s.