This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1873 Excerpt: ...The properties of these two chief constituents are exactly opposite; thus, oxygen supports life and flame; nitrogen extinguishes both. The ...Read MoreThis historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1873 Excerpt: ...The properties of these two chief constituents are exactly opposite; thus, oxygen supports life and flame; nitrogen extinguishes both. The first is the great vivifier, and if breathed in its purity would cause the vital processes to be carried on with too great a velocity; the second possesses negative qualities, and its use is to dilute the oxygen, in order that the animal and vegetal functions may be performed steadily. The relative actions of the two gases are well exhibited by igniting two pieces of phosphorus, and dipping one into a jar of oxygen and the other into a vessel of nitrogen; the first will burn with such brilliancy that the eye can with difficulty gaze upon it, the second will be instantly extinguished. The two fluids are only mingled in the atmosphere, not chemically combined, and an INFLUENCE OF CARBONIC ACID ON LIFE. 81 artificial mixture of the two will form a gas indistinguishable from ordinary air. It is sufficient to excite our astonishment to know that in the course of a single year we consume 100,000 cubic feet of air, and purify about 3,500 tons of blood. An animal may be suffocated from absolute want of oxygen in the atmosphere; but even when this gas is abundant, the presence of a certain proportion of carbonic acid may produce smothering also, as we know from the reports of the many cases of charcoal poisoning which have occurred in France. If a sparrow be placed under a bell-glass, it is found that after a certain period he dies of suffocation; if, however, there be placed also beneath the jar some substance, such as potash, which will absorb the carbonic acid, life is preserved for a much greater length of time. How it is that the presence of foul air operates, is not well understood. Some have attempted to show that it preve...Read Less
New. 188 pages. Reprinted from 1873 edition. NO changes have been made to the original text. Each page is checked manually before printing. Illustrations, Index, if any, are included in b/w. Fold-outs, if any, are not part of the book. It is not a set, only a single book/volume. This paperback book is SEWN perfect bound, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of paperback binding. It can also be open wide. The pages will not fall out and will be around for a lot longer than normal paperbacks. This book is printed on demand on acid-free paper. (Original publisher, New York, Putnam)
New. 178 pages. Reprinted from 1873 edition. Smyth/Section Sewn, Hard-Cover. Exact/Strict reproduction of text, no changes has been made in respect to the original text. If the original book was printed in multiple volumes/bindings than this reprint is of only a single volume/binding. A lot of effort has been made to check and improve each page/scan manually for its quality of text and illustrations (if any, are in b/w). Folded illustrations, if any, are not included in the book. This is not a retyped or an ocr'd book. Index, contents, etc, if any in the original book, are included. This item is printed on demand using good quality natural shade paper.
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