Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Том 1Perry Fairfax Nursey Knight and Lacey, 1825 |
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Страница 16
... Practical Applications of Mineralogy and Chemistry ; Plans and Sug- gestions for the Abridgment of Labour ; Reports of the State of the Arts in this and other Countries ; Memoirs , and occasionally Portraits , of eminent Mechanics , & c ...
... Practical Applications of Mineralogy and Chemistry ; Plans and Sug- gestions for the Abridgment of Labour ; Reports of the State of the Arts in this and other Countries ; Memoirs , and occasionally Portraits , of eminent Mechanics , & c ...
Страница 37
... practical importance . He now dispenses with the condenser , and works the engine against the atmosphere alone ; and by a method which he has not yet thought it prudent to disclose , he is enabled to arrest the heat after it has ...
... practical importance . He now dispenses with the condenser , and works the engine against the atmosphere alone ; and by a method which he has not yet thought it prudent to disclose , he is enabled to arrest the heat after it has ...
Страница 55
... practical chemist of Glasgow has discovered a simple and most effica- cious method of rendering woollen , silk , or cotton cloth completely water - proof . The mode adopted is to dissolve caoutchic in mineral oil , which is procured in ...
... practical chemist of Glasgow has discovered a simple and most effica- cious method of rendering woollen , silk , or cotton cloth completely water - proof . The mode adopted is to dissolve caoutchic in mineral oil , which is procured in ...
Страница 58
... practical mineralogist , * pick up pebbles of crystal , believing them to be diamonds ; and how difficult is it to convince them they are not so , even after they have been cut and polished ! As it is well known , that diamonds cut ...
... practical mineralogist , * pick up pebbles of crystal , believing them to be diamonds ; and how difficult is it to convince them they are not so , even after they have been cut and polished ! As it is well known , that diamonds cut ...
Страница 116
... practical exercise of the mechanic arts ; men , whose situation in early life , has precluded the possibility of ... practical defects , and from the gradual application of suitable means , dictated by practical maxims , to obviate or ...
... practical exercise of the mechanic arts ; men , whose situation in early life , has precluded the possibility of ... practical defects , and from the gradual application of suitable means , dictated by practical maxims , to obviate or ...
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advantages appear applause arts ascer body cause chanics charcoal Combination Act communication construction correspondent cylinder diameter discovery drachms Editors effect employed engine equal feet fixed fluid force GENTLEMEN give Glasgow glass heat improvement inches Institution invention iron JIBB journeymen KNIGHT and LACEY labour laws London Mechanics Macclesfield machine manner manufacture masters means mecha Mechanic's Magazine meeting ment method mind mode motion move multiplied neral never object observations obtained OLINTHUS GREGORY passed patent perpetual motion persons philosopher piece pipe piston pounds present principle produce proposed pulley pump purpose quantity quired racter raised ratus readers received remarks Rotherhithe Saturday screw ships silk society specific gravity Spitalfields steam steam-engine stone suppose tain thing tical tion trade tube valve velocity vessel wages weavers weight wheel whole workmen
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Страница 218 - And knew not until the flood came, and took them all away; so shall also the coming of the Son of man be. Then shall two be in the field; the one shall be taken, and the other left.
Страница 302 - I went by the field of the slothful, and by the vineyard of the man void of understanding ; and, lo, it was all grown over with thorns, and nettles had covered the face thereof, and the stone wall thereof was broken down.
Страница 145 - The virtue of Prosperity is temperance, the virtue of Adversity is fortitude; which in morals is the more heroical virtue. Prosperity is the blessing of the Old Testament; Adversity is the blessing of the New; which carrieth the greater benediction, and the clearer revelation of God's favour.
Страница 122 - ... companions, observed that, by tying a string from the handle of the valve which opened this communication to another part of the machine, the valve would open and shut without his assistance, and leave him at liberty to divert himself with his play-fellows. One of the greatest improvements that has been made upon this machine, since it was first invented, was in this manner the discovery of a boy who wanted to save his own labour.
Страница 244 - evidence of things not seen," in the fulness of Divine grace ; and was profound on this, the greatest concern of human life, while unable even to comprehend how the " inclination of the earth's axis to the plane of its orbit" could be the cause of the change of the seasons.
Страница 145 - Youth is not rich in time, it may be poor ; Part with it as with money, sparing ; pay No moment, but in purchase of its worth ; And what its worth, ask death-beds ; they can tell.
Страница 389 - I might almost say unlimited. A generous nation is grateful even for the preservation of its rights, and willingly extends the respect due to the office of a good prince into an affection for his person. Loyalty, in the heart and understanding of an Englishman, is a rational attachment to the guardian of the laws.
Страница 122 - A great part of the machines made use of in those manufactures in which labour is most subdivided, were originally the inventions of common workmen, who, being each of them employed in some very simple operation, naturally turned their thoughts towards finding out easier and readier methods of performing it.