Search results
Results from the WOW.Com Content Network
William Shakespeare, William Shakespeare's Comedies, Histories, and Tragedies (London: Thomas Coates, 1632); Pequot Library Special Collections. The printing of the Second Folio was done by Thomas Cotes. Individual copies of the Second Folio were issued with title-page inscriptions to each of the five publishers, in the format "printed by ...
In 1907 department store janitor James Murray Spangler (1848–1915) of Canton, Ohio, invented the first portable electric vacuum cleaner, [15] obtaining a patent for the Electric Suction Sweeper on 2 June 1908.
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]
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.
[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 ...
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.
The expansion and contraction of the air caused the position of the water/air interface to move along the tube. This was the first established principle of gas behaviour vs temperature, and principle of first thermometers later on. The idea could predate him even more (Empedocles of Agrigentum in his 460 B.C. book On Nature).
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 ...