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Philip B. Downing. Patented a street letter box, and operating street railway switches. Philip B. Downing (1857-1934) was an African American inventor from Providence, Rhode Island. He is known for his most significant invention, the operating street railway switch. This allowed the switches to be opened or closed by using a brass arm located ...
0–2–1. Paul Milton Downing (November 27, 1873 – December 11, 1944) was an American college football player and coach. He played at Stanford University and was the head coach at Oregon Agricultural College (today's Oregon State University). [1] While at Stanford, he was friends with classmate and future United States President Herbert ...
History of the steam engine. The 1698 Savery Steam Pump - the first commercially successful steam powered device, built by Thomas Savery. [1] The first recorded rudimentary steam engine was the aeolipile mentioned by Vitruvius between 30 and 15 BC and, described by Heron of Alexandria in 1st-century Roman Egypt. [2]
This is an accepted version of this page This is the latest accepted revision, reviewed on 10 September 2024. Scottish inventor, known for first demonstrating television John Logie Baird FRSE Baird in 1917 Born (1888-08-13) 13 August 1888 Helensburgh, Dunbartonshire, Scotland Died 14 June 1946 (1946-06-14) (aged 57) Bexhill, Sussex, England Resting place Baird family grave in Helensburgh ...
Life and work. Lewis Paul was of Huguenot descent. His father was physician to Lord Shaftesbury. He may have begun work on designing a spinning machine for cotton as early as 1729, but probably did not make practical progress until after 1732 when he met John Wyatt, a carpenter then working in Birmingham for a gun barrel forger.
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.
James Dewar. Sir James Dewar FRS FRSE (/ djuːər / DEW-ər; [1] 20 September 1842 – 27 March 1923) was a Scottish chemist and physicist. He is best known for his invention of the vacuum flask, which he used in conjunction with research into the liquefaction of gases. He also studied atomic and molecular spectroscopy, working in these fields ...
The timeline of underwater diving technology is a chronological list of notable events in the history of the development of underwater diving equipment.With the partial exception of breath-hold diving, the development of underwater diving capacity, scope, and popularity, has been closely linked to available technology, and the physiological constraints of the underwater environment.