The Mechanic's Magazine, Museum, Register, Journal and Gazette, المجلد 46

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Robertson, 1847
 

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الصفحة 569 - The High-Pressure Steam Engine. THE HIGH-PRESSURE STEAM ENGINE ; an Exposition of its Comparative Merits, and an Essay towards an Improved System of Construction, adapted especially to secure Safety and Economy. By Dr. ERNST ALBAN, Practical Machine Maker, Plau, Mecklenberg. Translated from the German, with Notes, by Dr. POLE, FRS, M.
الصفحة 21 - Greenock, to sail by the power of Wind, Air, and Steam, he intends that the Vessel shall leave the Broomielaw on Tuesdays, Thursdays, and Saturdays, about midday, or at such hour thereafter as may answer from the state of the tide, and to leave Greenock on Mondays, Wednesdays, and Fridays in the morning to suit the tide. The elegance, comfort, safety, and speed of this Vessel require only to be proved to meet the approbation of the public ; and the Proprietor is determined to do everything in his...
الصفحة 7 - Now is not this very fine ? Mathematicians, that find out, settle, and do all the business, must content themselves with being nothing but dry calculators and drudges ; and another, that does nothing but pretend and grasp at all things, must carry away all the invention, as well of those that were to follow him, as of those that went before.
الصفحة 192 - Europe," &c. With Two Illustrations engraved on Steel. Square fcp. 8vo. 3s. cioth. CRESY.-AN ENCYCLOPEDIA OF CIVIL ENGINEERING, Historical, Theoretical, and Practical. By EDWARD CRESY, FSACE In One very large Volume, illustrated by upwards of Three Thousand Engravings on Wood, explanatory of the Principles, Machinery, and Constructions which come under the Direction of the Civil Engineer. 8vo. j£3. 13s. 6d. cloth. THE CRICKET-FIELD; OR, THE SCIENCE AND HISTORY of the GAME. Illustrated with Diagrams,...
الصفحة 21 - The subscriber, having at much expense fitted up a handsome vessel to ply upon the river Clyde between Glasgow and Greenock — to sail by the power of wind, air and steam, he intends that the vessel shall leave the Broomielaw on Tuesdays, Thursdays, and Saturdays, about mid-day, or at such hour thereafter as may answer from the state of the tide ; and to leave Greenock on Mondays, Wednesdays, and Fridays, in the morning, to suit the tide.
الصفحة 449 - ... exert any centrifugal force, while those in the northern regions do, it follows that this force cannot disturb the barometer in the vicinity of the equator; while in the vicinity of the pole the barometer must be powerfully affected by the centrifugal force of the wind; The temperate zone being subject both to real and apparent winds, must have very fluctuating barometers, and the same holds true to some distance within the arctic circle, explaining Dr. Halley's assertion, that the more northerly...
الصفحة 48 - Way is not a mere stratum, but an annulus ; or, at least, that our system is placed within one of the poorer and almost vacant parts of its general mass, and that eccentrically, so as to be much nearer to the parts about the Cross than to that diametrically opposed to it.
الصفحة 70 - But the truth is, that the temperature of 32"' of Fahrenheit, that at which water freezes, is only the commencement of an operation that is almost infinite; for after its congelation, water is as competent to continue to receive cold as it was when it was fluid. The application of cold to a block of ice does not...
الصفحة 42 - ... competent authorities) to be extremely doubtful, but by the world in general the task was considered to be wholly impracticable. To Bristol is due the origin of this great undertaking, and a Company of enterprising individuals, with Brunei, as their consulting engineer, was formed for that object ; it was, however, with difficulty that they found engineers to carry it into effect, some of the first constructors of the day having declined to undertake it. Messrs. Maudslay and Field, however, who...
الصفحة 212 - MR , for the sole benefit, profit, and advantage arising from a portable gun or machine called a Defence, that discharges so often and so many bullets, and can be so quickly loaden as renders it next to impossible to carry any ship by boarding.

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