วันพุธที่ 5 สิงหาคม พ.ศ. 2552

Who invented the vacuum cleaner?

Like many discoveries over the years, the invention of the vacuum cleaner is also surrounded by a great debate about who is the first vacuum cleaner. We must go on, like 1800, to try to understand what people in their homes, and how they are cleaning. Unable to perform Translation:invalid textFirst, we have one of the oldest and best known devices in 1860, when David Hess came up with a way to solve a problem, the family was at that time. These days, the man on the bare wooden trellises to try and dust to a minimum. Of course, all the rest of the powder on the table and the only way was dependent on the carpet and beaten with a stick. Shortly afterwards, the treadmill looks a racket tennis racket. Unable to perform Translation:invalid textHowever, it was that David Hess, who thought there must be an easy way to clean carpets and it came with a carpet Sweeper, rotation of the brush with a bellows system, provided that 'aspiration. It is or was an "empty"? The machine of the two chambers of water, dust and fine particles. The only problem with this invention is that there is no evidence that he ever produced. Unable to perform Translation:invalid textThen Melville Bissell, the name sounds familiar, if you know that your vacuum cleaner, even with a carpet sweeper that deposits of dirt and a pot behind the sweeper head. Unable to perform Translation:invalid textBut it was not 1899, although this can be described as the first "engine" just was John Thurman, and it was a few years ago Hubert State of London was the first electric vacuum cleaner. The only problem is that the gap was so great, was on the back of a In front of the house-trailer and a tube is very long in it for cleaning. Unable to perform Translation:invalid textOver time, more and more over the next inventor was the best in clean and one that could be used in the country, without much fuss and portable. Then James Spangler in 1908 with the first mobile aspirations. This is much cleaner and appreciated for some reason, sold the patent to William Hoover. Yes, man, the name is synonymous with cleaning the house. The fact that the name was blocked Hoover witness, how good and popular in the early years of cleaning and some 100 years later, the vacuum still the best describes a clunky, are material. Although Dyson and design the next generation of robots ROOMBA start, give us an idea of what we can expect 21 to empty the century. Unable to perform Translation:invalid textWho is responsible for the invention of vacuum cleaner which, I think there are many, would be proud to know that the principles of design of their first days in vacuum in millions of homes worldwide.

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