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Hubert Cecil Booth (4 July 1871 – 14 January 1955) [1] was an English engineer, best known for having invented one of the first powered vacuum cleaners. [2] [3] [4] [5]He also designed Ferris wheels, [1] [6] suspension bridges and factories. [1]
Download as PDF; Printable version; ... (1848–1915) of Canton, Ohio, invented the first portable electric vacuum cleaner, ... Their first vacuum was the 1908 Model ...
Don Tapscott and Anthony D. Williams argue in their book Wikinomics that YouTube is an example for an economy that is based on mass collaboration and makes use of the Internet. "Whether your business is closer to Boeing or P&G , or more like YouTube or flickr, there are vast pools of external talent that you can tap with the right approach.
1702 – Guillaume Amontons first calculates absolute zero to be −240 °C using an air thermometer of his own invention (1702), theorizing at this point the gas would reach zero volume and zero pressure. 1714 – Daniel Gabriel Fahrenheit invented the first reliable thermometer, using mercury instead of alcohol and water mixtures
James Murray Spangler (November 20, 1848 – January 23, 1915) was an American inventor, salesman, and janitor who invented the first commercially successful portable electric vacuum cleaner that revolutionized household carpet cleaning. His device was not the first vacuum cleaner, but it was the first that was practical for home use.
Booth's name appears in British reference works, and the vacuum cleaners he invented and manufactured are held in London's Science Museum. Kenney's name is not found in corresponding American reference books, nor are his machines in the Smithsonian Institution or other major collections. David Kenney committed suicide in 1922 after being in ill ...
The Folger Shakespeare Library is an independent research library on Capitol Hill in Washington, D.C., United States.It has the world's largest collection of the printed works of William Shakespeare, and is a primary repository for rare materials from the early modern period (1500–1750) in Britain and Europe.
[2] The first artificial vacuum had been produced a few years earlier by Evangelista Torricelli and inspired Guericke to design the world's first vacuum pump, which consisted of a piston and cylinder with one-way flap valves. The hemispheres became popular in physics lectures as an illustration of the strength of air pressure, and are still ...