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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Αποτελέσματα 1 - 5 από τα 63.
Σελίδα 6
... tion of the amount of work to be obtained from a given quantity of heat is inserted , forming , as it does , a convenient means for the expression of quantities of heat . But it is derived from experi- ments upon the amount of heat ...
... tion of the amount of work to be obtained from a given quantity of heat is inserted , forming , as it does , a convenient means for the expression of quantities of heat . But it is derived from experi- ments upon the amount of heat ...
Σελίδα 20
... tion , but it is unnecessary here to comment farther upon them . Having concluded our introductory remarks upon the earlier processes of metallurgy , we may proceed to mention the branch of manufacture of which we purpose next to treat ...
... tion , but it is unnecessary here to comment farther upon them . Having concluded our introductory remarks upon the earlier processes of metallurgy , we may proceed to mention the branch of manufacture of which we purpose next to treat ...
Σελίδα 39
... the work was complete . After each important addi- tion , a securing heat was given to prevent flaws . A great deal has been written at various times on the crystal- lization of wrought - iron under the action of heat ON FORGING IRON . 39.
... the work was complete . After each important addi- tion , a securing heat was given to prevent flaws . A great deal has been written at various times on the crystal- lization of wrought - iron under the action of heat ON FORGING IRON . 39.
Σελίδα 41
... tion of undercut recesses . We may perhaps best illustrate the manner in which the casting is produced , by taking an example , and describing the process re- quired for the completion of such example . Let us suppose that the poppet ...
... tion of undercut recesses . We may perhaps best illustrate the manner in which the casting is produced , by taking an example , and describing the process re- quired for the completion of such example . Let us suppose that the poppet ...
Σελίδα 48
... tion require frequent sharpening . Small drills worked by hand are in constant requisition . They are of two sorts : those that are worked with an alternate recipro- " catory motion , ground on both sides , so 48 MECHANICAL ENGINEERING .
... tion require frequent sharpening . Small drills worked by hand are in constant requisition . They are of two sorts : those that are worked with an alternate recipro- " catory motion , ground on both sides , so 48 MECHANICAL ENGINEERING .
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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.