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 20
... solution of sulphate of copper ; after which process they may be handled with perfect safety , and when they are thrown into the molten metal , the external film of copper will efficiently protect them from oxidation during the very ...
... solution of sulphate of copper ; after which process they may be handled with perfect safety , and when they are thrown into the molten metal , the external film of copper will efficiently protect them from oxidation during the very ...
Σελίδα 23
... solution any considerable quantity of iron . Chalk forms an excellent flux , but limestone is the cheapest mate- rial , and therefore most frequently employed . It may be interest- ing here to insert a list of the ores , fuels , and ...
... solution any considerable quantity of iron . Chalk forms an excellent flux , but limestone is the cheapest mate- rial , and therefore most frequently employed . It may be interest- ing here to insert a list of the ores , fuels , and ...
Σελίδα 160
... solution ; hence we feel justified in omitting it . We may however observe , that the width at any point of real steam - passage will vary very nearly as the verse sine of the angle described by the valve from the position at which the ...
... solution ; hence we feel justified in omitting it . We may however observe , that the width at any point of real steam - passage will vary very nearly as the verse sine of the angle described by the valve from the position at which the ...
Σελίδα 360
... solution prevents the steel from hardening ; but as there are many things used in machinery that require to possess the greatest possible degree of hardness , it is necessary with such things to use a saline liquid . Gauges , burnishers ...
... solution prevents the steel from hardening ; but as there are many things used in machinery that require to possess the greatest possible degree of hardness , it is necessary with such things to use a saline liquid . Gauges , burnishers ...
Σελίδα 363
... solution produces a similar effect . Any large piece of steel may be made sufficiently hard to wear well in machinery , without making it brittle , by hardening it in a body of solid tallow . There is a number of young mechanics that ...
... solution produces a similar effect . Any large piece of steel may be made sufficiently hard to wear well in machinery , without making it brittle , by hardening it in a body of solid tallow . There is a number of young mechanics that ...
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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.