A Practical Treatise on Rail-roads: And Interior Communication in General ... with Tables of the Comparative Value of Canals and Rail-roads, and the Power of the Present Locomotive EnginesCarey & Lea, 1832 - 598 Seiten |
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Seite 37
... feet long , and the sleepers about two feet apart . The ends of the rails meet upon the sleeper , at c ' c ' ; two pins being driven into the same sleeper fasten them down , and prevent them separating from each other . This kind of ...
... feet long , and the sleepers about two feet apart . The ends of the rails meet upon the sleeper , at c ' c ' ; two pins being driven into the same sleeper fasten them down , and prevent them separating from each other . This kind of ...
Seite 38
... feet long by five or six inches in thickness , and about the same breadth . In the United States , pins or tree nails are not employed for the purpose of fastening rails to sleepers ; a notch is made in the sleeper for the reception of ...
... feet long by five or six inches in thickness , and about the same breadth . In the United States , pins or tree nails are not employed for the purpose of fastening rails to sleepers ; a notch is made in the sleeper for the reception of ...
Seite 39
... feet long , reaching across three sleepers , each two feet apart , and about five inches broad on the surface , by four or five inches in depth . The upper rail was of the same dimensions , and almost always made of beech or plane tree ...
... feet long , reaching across three sleepers , each two feet apart , and about five inches broad on the surface , by four or five inches in depth . The upper rail was of the same dimensions , and almost always made of beech or plane tree ...
Seite 43
... long - established Company , that between five and six tons of rails were cast on the 13th of November , 1767 , as ... feet long , and in the form as shown in Fig . V .: near each end of the rail small holes were cast , through which a ...
... long - established Company , that between five and six tons of rails were cast on the 13th of November , 1767 , as ... feet long , and in the form as shown in Fig . V .: near each end of the rail small holes were cast , through which a ...
Seite 44
... feet long , placed upon stone supports , about a foot square , and eight inches deep , as shown in Figs . VI . and VII .; at the ends of each rail , where they are laid against each other on the stone support , a small square piece is ...
... feet long , placed upon stone supports , about a foot square , and eight inches deep , as shown in Figs . VI . and VII .; at the ends of each rail , where they are laid against each other on the stone support , a small square piece is ...
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adhesion amount ascending ascer ascertain axles boat boiler Calculated space Canals case-hardened cast-iron cent chair chimney coal commenced connecting rod construction conveyance conveyed cost cubic curves cylinder Darlington deflexion descending distance ditto drag edge-rail effect embankments empty carriages equal expense experiments extending feet long force friction fuel gines gravity greater heated air horse power inches inclined planes increase iron rails Killingworth latter length less line of road Liverpool loaded carriages locomotive engines main line malleable iron Manchester Messrs miles an hour miles per hour mode motion moved nearly pass performance piston placed Plate present pressure quantity Rail-road Rail-way Rainhill rate of speed ratio render resistance riages roll rope self-acting plane sheeves side sleepers square inch steam stone surface Table tion tons track train of carriages travelling tube tunnel velocity vols wagons weight wheels whole wooden wrought-iron yards
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Seite 11 - A SELECTION OF ONE HUNDRED PERRIN'S FABLES, ACCOMPANIED BY A KEY, Containing the text, a literal and free translation, arranged in such a manner as to point out the difference between the French and English idiom, &c., in 1 vol., 12mo. A COLLECTION OF COLLOQUIAL PHRASES, ON EVERY TOPIC NECESSARY TO MAINTAIN CONVERSATION...
Seite 11 - A SELECTION OF ONE HUNDRED PERRIN'S FABLES, accompanied by a Key, containing the text, a literal and free translation, arranged in such a manner as to point out the difference between the French and the English idiom, also a figured pronunciation of the French, according to the best French works extant on the subject; the whole preceded by a short treatise on the sounds of the French language, compared with those of the English.
Seite 36 - The manner of the carriage is by laying rails of timber, from the colliery, down to the river, exactly straight and parallel ; and bulky carts are made with four rowlets fitting these rails ; whereby the carriage is so easy that one horse will draw down four or five chaldron of coals, and is an immense benefit to the coal merchants.
Seite 1 - It reflects the greatest credit on those who have been concerned in its production, and promises, in a variety of respects, to be the best as well as the most compendious dictionary of the arts, sciences, history, politics, biography, &c. which has yet been compiled. The style of the portion we have read is terse and perspicuous; and it is really curious how so much scientific and other information could have been so satisfactorily communicated in such brief limits.
Seite 8 - LETTERS TO A YOUNG NATURALIST, ON THE STUDY OF NATURE AND NATURAL THEOLOGY. By JL DRUMMOND, MD Author of
Seite 9 - As he leads us from one savage tribe to another, as he paints successive scenes of heroism, perseverance and self-denial, as he wanders among the magnificent scenes of nature, as he relates with scrupulous fidelity the errors, and the crimes, even of those whose lives...
Seite 43 - Colebrook-dale, in Shropshire, where cast-iron was indisputably first applied to the construction of bridges, and, according to the information which I have been able to obtain, it was here also that Rail-ways of that material were first constructed. It appears; from the books of...
Seite 1 - Those who can, by any honest modes of economy, reserve the sum of two dollars and fifty cents quarterly, from their family expenses, may pay for this work as fast as it ia published; and we confidently believe that they will find at the end that they never purchased so much general, practical, useful information at so cheap a rate.
Seite 12 - SUGAR CANE, with Practical Directions for its Culture, and the Manufacture of its various Products; detailing the improved Methods of Extracting, Boiling, Refining, and Distilling ; also Descriptions of the Best Machinery, and useful Directions for the general Management of Estates. By GEORGE RICHARDSON PORTER. "This volume contains a valuable mass of scientific and practical infirmation, and is, indeed, a compendium of everything interesting relative to colonial agriculture and manufacture.