The American Cottage Builder; A Series Of Designs, Plans, And Specifications, From $200 To $20,000…

Paperback | January 9, 2012

byJohn Bullock

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This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1883. Not illustrated. Excerpt: ... CHAPTER X. WARMING AND VENTILATION. The atmosphere is composed essentially of two gases, in a state of mechanical mixture, named oxygen and nitrogen. In its pure state, oxygen is chiefly remarkable for its energetic properties in promoting combustion, decomposition, and various chemical changes. A taper, with a mere spark of fire in the wick, will, when plunged into oxygen, burst into flame and burn brilliantly; iron wire, made redhot at one extremity, will burn away with the greatest ease in this gas. An animal in an atmosphere of pure oxygen, suffers from excess of vital action ; its pulses throb with increased rapidity and vigor, the vital spark, as it were, bursts into flame, and destroys the animal. Nitrogen (or, as it is sometimes called, azote,) is as inert in its properties as oxygen is active. It supports neither life nor combustion, and its principal use in the atmosphere seems to be to dilute the oxygen, and to subdue the wonderful energy of this vigorous element to the endless number of useful purposes which it has to perforin in the economy of nature. The proportions in which these two gaseous bodies are mingled, are very unequal; every atom or particle of oxygen in the atmosphere is accompanied by four atoms or particles of nitrogen; or, in other words, if we take a measure of any capacity, divided into five equal parts, and decant it into four parts of nitrogen and one part of oxygen, we get a mixture identical in all respects with pure atmospheric air. In the great chemical operations of nature, which are dependent on the atmosphere, oxygen passes through various mutations, and enters into new combinations, which form the bases of grand and wonderful contrivances. Some of the most important of these operations depend on the process of combustion,...

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This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1883. Not illustrated. Excerpt: ... CHAPTER X. WARMING AND VENTILATION. The atmosphere is composed essentially of two gases, in a state of mechanical mixture, named oxyg...

Format:PaperbackDimensions:110 pages, 9.69 × 7.44 × 0.23 inPublished:January 9, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217565247

ISBN - 13:9780217565240

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