Popular Lectures on the Steam Engine: In Which Its Construction and Operation Are Familiarly Explained; With an Historical Sketch of Its Invention and Progressive Improvement
Popular Lectures on the Steam Engine: In Which Its Construction and Operation Are Familiarly Explained; With an Historical Sketch of Its Invention and Progressive Improvement
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. 1828 Excerpt: ...while a vacuum is produced only on the other, side. In this case, the process of condensation must be constantly sustained in the condenser, for when the piston is descending, the steam below it is being condensed, and when it is ascending, the steam above it is being condensed. The jet must, therefore be kept ...
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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. 1828 Excerpt: ...while a vacuum is produced only on the other, side. In this case, the process of condensation must be constantly sustained in the condenser, for when the piston is descending, the steam below it is being condensed, and when it is ascending, the steam above it is being condensed. The jet must, therefore be kept constantly playing in the condenser, and the quantity of water which it admits, is regulated by a valve adjusted by a lever or index which moves upon a graduated arch, and which may be regulateo by the engineer when the engine is set at work. (56.) This change in the action of the first mover occasioned a necessity for a change in the manner of connecting the piston-rod with the beam. In the single-acting engine, the end of the beam pulled the piston-rod up, and the piston-rod pulled the end of the beam down. In both these cases, therefore, a flexible chain, applying itself to the arch-head of the beam, evidently transmitted the force. But in the double-acting engine it is quite otherwise. In the descent, it is true, that the piston-rod still pulls the beam down, but in the ascent the beam no longer pulls up the piston-rod, but is pushed up by it. Now, a flexible chain, though an effective agent in transmitting that modification of force called a pull, is incapable of communicating a push or thrust. Were the chain and arch-head to be used in a double engine, (which has no counter weight on the opposite end of the beam to pull it up) the consequence would be that, in the ascent of the piston, the chain would slacken, and the end of the beam above the pistonrod still remain depressed. It is, therefore, necessary that the connexion of the piston-rod with the end of the beam should not be flexible but rigid, so as to be capable of transmitting force, both...
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Fine. Sewn binding. Cloth over boards. 226 p. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
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New. Sewn binding. Cloth over boards. 226 p. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
Add this copy of Popular Lectures on the Steam Engine: in Which Its to cart. $49.62, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2010 by Kessinger Publishing.
Add this copy of Popular Lectures on the Steam Engine: in Which Its to cart. $49.62, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2008 by Kessinger Publishing.
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