Search results
Results From The WOW.Com Content Network
1717 Swim fins. Swim fins, also known as fins, or flippers, are blade-shaped extensions worn on feet or hands for use in water. They aid movement in aquatic sports such as swimming, surfing, and underwater diving. Swim fins are typically made of rubber or plastic. Benjamin Franklin invented wooden swim fins in 1717. [10]
However, other inventors before Bell had worked on the development of the telephone and the invention had several pioneers. [428] 1877: Thomas Edison invents the first working phonograph. [429] 1878: Henry Fleuss is granted a patent for the first practical rebreather. [430] 1878: Lester Allan Pelton invents the Pelton wheel.
Jerome H. Lemelson (1923–1997), U.S. – inventions in the fields in which he patented make possible, wholly or in part, innovations like automated warehouses, industrial robots, cordless telephones, fax machines, videocassette recorders, camcorders, and the magnetic tape drive used in Sony's Walkman tape players.
Timeline of United States inventions (1890–1945) Robert H. Goddard (1882–1945), the American physicist and inventor who built and launched the world's first liquid-propellant rocket on March 16, 1926. [1] Goddard held 214 patents for his inventions and pioneering innovations in liquid-propelled, guided, and multi-stage rockets.
Johannes Gensfleisch zur Laden zum Gutenberg[ a] ( c. 1393–1406 – 3 February 1468) was a German inventor and craftsman who invented the movable-type printing press. Though movable type was already in use in East Asia, Gutenberg's invention of the printing press [ 2] enabled a much faster rate of printing. The printing press later spread ...
This sub-section is about paper making; for the writing material first used in ancient Egypt, see papyrus.. Paper: Although it is recorded that the Han dynasty (202 BC – AD 220) court eunuch Cai Lun (50 AD – AD 121) invented the pulp papermaking process and established the use of new materials used in making paper, ancient padding and wrapping paper artifacts dating from the 2nd century BC ...
Robert Hall McCormick (June 8, 1780 – July 4, 1846) was an American inventor who invented numerous devices including a version of the reaper which his eldest son Cyrus McCormick patented in 1834 and became the foundation of the International Harvester Company. Although he lived his life in rural Virginia, he was patriarch of the McCormick ...
Corn (maize) – the domestication of maize, now cultivated throughout the world, is one of the most influential technological contributions of Indigenous Americans. Corn beer – brewed in the Andes, it is of pre-Incan origin from the Wari culture. Cornmeal – an unsoaked meal (coarse flour) ground from dried maize.