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 22
... feet , and affording in many instances thirty - three per cent . of metal . A few thin beds occurring in the lias formation have been partly worked in Lincolnshire and Yorkshire , but they are not rich in metal ; in this formation ...
... feet , and affording in many instances thirty - three per cent . of metal . A few thin beds occurring in the lias formation have been partly worked in Lincolnshire and Yorkshire , but they are not rich in metal ; in this formation ...
Σελίδα 24
... feet , and the height fourteen or fifteen feet , with a bottom width of two feet . At the bottom of the kiln is an aper- ture through which the calcined ore may be withdrawn , and also a number of apertures for the admission of air ...
... feet , and the height fourteen or fifteen feet , with a bottom width of two feet . At the bottom of the kiln is an aper- ture through which the calcined ore may be withdrawn , and also a number of apertures for the admission of air ...
Σελίδα 26
... feet , the most com- mon height being about fifty feet ; a furnace of this height produc- ing on the average about sixty tons of cast - iron per week . means . The blowing - machine ordinarily employed for supplying the Fig . 2 . blast ...
... feet , the most com- mon height being about fifty feet ; a furnace of this height produc- ing on the average about sixty tons of cast - iron per week . means . The blowing - machine ordinarily employed for supplying the Fig . 2 . blast ...
Σελίδα 27
... feet of air per minute , the power expended being one horse for every two and a tenth tons of metal per week . In the Continental furnaces , where charcoal is used , the blast - pressure frequently does not exceed half a pound per ...
... feet of air per minute , the power expended being one horse for every two and a tenth tons of metal per week . In the Continental furnaces , where charcoal is used , the blast - pressure frequently does not exceed half a pound per ...
Σελίδα 28
... feet square , the sides of the fireplace being formed of hollow cast - iron troughs , through which water is constantly circu- lating in order to prevent their fusion . The metal is fused in this furnace , and subjected to the action of ...
... feet square , the sides of the fireplace being formed of hollow cast - iron troughs , through which water is constantly circu- lating in order to prevent their fusion . The metal is fused in this furnace , and subjected to the action of ...
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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.