An Elementary Treatise on Iron Metallurgy, Up to the Manufacture of Puddled Bars, Built Upon the Atomic System of Philosophy: Comprising Suggestions Relative to Important Improvements in the Manufacture of Iron and Steel, and the Conduct of Extensive Iron Works

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Simpkin, Marshall, & Company, 1860 - 528 páginas
 

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Página 96 - See dying vegetables life sustain, See life dissolving vegetate again : All forms that perish other forms supply : (By turns we cateh the vital breath and die,) Like bubbles on the sea of matter borne, They rise, they break, and to that sea return.
Página 1 - Bridges. A practical Treatise on Cast and Wrought Iron Bridges and Girders as applied to Railway Structures and to Buildings generally, with numerous examples drawn to a large scale, selected from the Public Works of the most eminent Engineers, with...
Página 256 - Melville' steamer, of which, while shutting up the middle, one of the ends of each rod was jarred off, and presented large crystals in the fracture ; being well assured of the good quality of the iron in the rods, he had the same...
Página 6 - OR, POCKET COMPANION ; Showing at one view the Contents of any Piece of Land from Dimensions taken in Yards. With a set of Useful Agricultural Tables.
Página 249 - ... additional hammering, that part of the bar immediately becomes crystallized, and so extremely brittle that it will break to pieces by merely throwing it on the ground, though all the rest of the bar will exhibit the best and toughest quality imaginable- This change, therefore, has been produced by percussion as the primary agent...

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