A Practical Treatise on Mechanical Engineering: Comprising Metallurgy, Moulding, Casting, Forging, Tools, Workshop Machinery, Mechanical Manipulation, Manufacture of the Steam-engine, Etc. : with an Appendix on the Analysis of Iron and Iron OresHenry Carey Baird, 1864 - 416 σελίδες |
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Σελίδα 23
... dissolve certain impurities ; such substances are called fluxes . They should be in- capable of holding in solution any considerable quantity of iron . Chalk forms an excellent flux , but limestone is the cheapest mate- rial , and ...
... dissolve certain impurities ; such substances are called fluxes . They should be in- capable of holding in solution any considerable quantity of iron . Chalk forms an excellent flux , but limestone is the cheapest mate- rial , and ...
Σελίδα 38
... dissolved any oxide of iron which may have formed ; the two surfaces to be joined are laid together and struck continuously , working towards the edges , in order to expel the flux and insure a perfect union of the metal . Cast - steel ...
... dissolved any oxide of iron which may have formed ; the two surfaces to be joined are laid together and struck continuously , working towards the edges , in order to expel the flux and insure a perfect union of the metal . Cast - steel ...
Σελίδα 369
... dissolved . Let us now consider the solvents which we may be likely to require in our various operations hereafter ... dissolved in water , they may be dissolved when that solvent also contains some other body , such as hydrochloric acid ...
... dissolved . Let us now consider the solvents which we may be likely to require in our various operations hereafter ... dissolved in water , they may be dissolved when that solvent also contains some other body , such as hydrochloric acid ...
Σελίδα 370
... dissolved in pure water , it dissolves readily in ammonia , which is an aqueous solution of ammoniacal gas . Again , alumina will not dissolve in pure water ; but it may readily be dissolved in a solution of caustic potassa . Thus We ...
... dissolved in pure water , it dissolves readily in ammonia , which is an aqueous solution of ammoniacal gas . Again , alumina will not dissolve in pure water ; but it may readily be dissolved in a solution of caustic potassa . Thus We ...
Σελίδα 371
... dissolve a portion of carbonate of lime ; but the free acid can be expelled by boiling , or by filtration through some ... dissolved are in motion , constantly interchanging their elementary molecules , in proportions dependent upon the ...
... dissolve a portion of carbonate of lime ; but the free acid can be expelled by boiling , or by filtration through some ... dissolved are in motion , constantly interchanging their elementary molecules , in proportions dependent upon the ...
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admitted air-pump alumina ammonia aperture apparatus arms attached bars baryta beam boiled boiler bottom bored carbonate carbonic acid caused centre chloric acid coal color combustion condenser connecting rod consists construction contains copper crank cross-head cylinder described diameter dissolved eccentric edge employed engine evaporated experiments explosion extremity feet filter fire flue force fraction fuel furnace gear hardened heat HENRY CAREY horse-power hydrochloric acid lathe leading screw length lever locomotive lower machine machinery magnesia manganese means metal method motion multiplied nitric acid number of teeth obtained ordinary oxide passes peroxide of iron phosphoric acid piston rod placed Plate potassa Practical precipitate present pressure produced protoxide pump quantity reverberatory furnace rivets sesquioxide shaft shown side slide smoke smoke-burning solution square inch steam steam-engine steel stroke sulphuric acid surface temperature thickness threads tion tool tubes upper usually valve various velocity vertical weight wheel
Δημοφιλή αποσπάσματα
Σελίδα 285 - THE COMBUSTION OF COAL AND THE PREVENTION OF SMOKE, Chemically and Practically Considered.
Σελίδα 13 - CE To which are added, Observations on the Construction of Steam Boilers, and Remarks upon Furnaces used for Smoke Prevention ; with a Chapter on Explosions. By R. Armstrong, CE, and John Bourne.