Liquid Air and the Liquefaction of Gases: A Practical Work Giving the Entire History of the Liquefaction of Gases from the Earliest Times of Achievement to the Present Day ...

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Norman W. Henley publishing Company, 1919 - 394 стор.
 

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Сторінка 1 - He told us he had been thirty years employing his thoughts for the improvement of human life. He had two large rooms full of wonderful curiosities, and fifty men at work ; some were condensing air into a dry tangible substance, by extracting the nitre, and letting; the aqueous or fluid particles percolate ; others softening marble for pillows and pin-cushions ; others petrifying the hoofs of a living horse to preserve them from foundering.

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