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Encyclopedia Britannica - Main :: TUM-VAN |
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VACQUERIE, AUGUSTE (1819-1895) , French journalist and man of letters, was born at Villequier (Seine Inferieure) on the 19th of November 1819. He was from his earliest days an admirer of Victor Hugo, with whom he was connected by the marriage
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exile in Jersey
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paper were more than once the occasion of legal proceedings. After 1870 he became editor. Other of his works are Souvent homme varie (1859), a comedy in verse; Jean Baudry (1863), the most successful of his plays; Aujourd'hui et demain (1875); Futura (1900), poems on philosophical and humanitarian subjects. Vacquerie died in Paris on the 19th of February 1895. He published a collected edition of his plays in 18.79.VACUUM-CLEANER, an appliance for removing dust from carpets, curtains, &c., by suction, and consisting essentially of some form of air-pump drawing air through a nozzle which is passed over the material that has to be cleaned. The dust is carried away with the air-stream and is separated by filtration through screens of muslin or other suitable fabric, sometimes with the aid of a series of baffle-plates which cause the heavier particles to fall to the bottom of the collecting receptacle by gravity. In the last decade of the 19th century compressed air came into use, especially in America, for cleaning railway carriages, but it was found difficult to arrange for the collection of the dust that was blown out by the jets of air, and in con-sequence recourse was had to working by suction. From this beginning several types of vacuum cleaner have developed.In the first instance the plants were portable, consisting of a pump driven by a petrol engine
ordinary household implements, in substitution for, or in addition to the broom and duster, and small machines are now made in a variety of forms, driven by hand, by foot, or by an electric motor attached to the lighting circuit. In addition to their domestic uses, other applications have been found for them, as for instance in removing dust from printers' type-cases.End of Article: VACQUERIE, AUGUSTE (1819-1895) If you wish, you can link directly to this article.
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