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 18
... nearly pure iron , combined with a small portion of car- bon , and perhaps of nitrogen also . The subject of the action of nitrogen in the production of acieration , as the conversion of iron into steel is termed , is a point upon which ...
... nearly pure iron , combined with a small portion of car- bon , and perhaps of nitrogen also . The subject of the action of nitrogen in the production of acieration , as the conversion of iron into steel is termed , is a point upon which ...
Σελίδα 28
... nearly the whole of its silicon . The metal , which is usually cov- ered with blisters , is then run out into flat moulds . A section is shown at Plate II . The further purification or puddling is conducted in a reverbera- tory furnace ...
... nearly the whole of its silicon . The metal , which is usually cov- ered with blisters , is then run out into flat moulds . A section is shown at Plate II . The further purification or puddling is conducted in a reverbera- tory furnace ...
Σελίδα 29
... nearly closed vessel , after which air is forced through it , thereby affording oxygen sufficient to cause combustion of the iron , and the oxidation of other impurities . A section of the vessel used is shown . - Fig . 3 . Fig . 3 . Mr ...
... nearly closed vessel , after which air is forced through it , thereby affording oxygen sufficient to cause combustion of the iron , and the oxidation of other impurities . A section of the vessel used is shown . - Fig . 3 . Fig . 3 . Mr ...
Σελίδα 38
... nearly so high a temperature as the iron . * For heavy forgings a crane is also required , but the form of this is too well known to require any special description . In large forgings each particular piece of metal requires different ...
... nearly so high a temperature as the iron . * For heavy forgings a crane is also required , but the form of this is too well known to require any special description . In large forgings each particular piece of metal requires different ...
Σελίδα 39
... nearly the whole length of the gun . This was done by taking a number of rolled bars about six feet in length , and welding them together , and then drawing them out until the proper length was obtained : a series of V - shaped bars ...
... nearly the whole length of the gun . This was done by taking a number of rolled bars about six feet in length , and welding them together , and then drawing them out until the proper length was obtained : a series of V - shaped bars ...
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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.