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 38.
Σελίδα 31
... arms on a vertical spindle . The specific gravity of the ore on this apparatus determines its position , the richest mineral being deposited at the centre , the deposit diminishing in value towards the outer edge of the buddle , where a ...
... arms on a vertical spindle . The specific gravity of the ore on this apparatus determines its position , the richest mineral being deposited at the centre , the deposit diminishing in value towards the outer edge of the buddle , where a ...
Σελίδα 49
... arm or lever , furnished with a pall , acted upon by a spring , which causes it to fall into the teeth of the ratchet - wheel ; thus , when the arm is moved in the direction in which the drill is made to cut , the pall catches in the ...
... arm or lever , furnished with a pall , acted upon by a spring , which causes it to fall into the teeth of the ratchet - wheel ; thus , when the arm is moved in the direction in which the drill is made to cut , the pall catches in the ...
Σελίδα 58
... arm of a bell- crank . To the other arm of the bell - crank is attached by a pin a link , the lower extremity of which is connected with a second crank , carrying also a pall , by means of which a feed or self - acting motion is given ...
... arm of a bell- crank . To the other arm of the bell - crank is attached by a pin a link , the lower extremity of which is connected with a second crank , carrying also a pall , by means of which a feed or self - acting motion is given ...
Σελίδα 59
... arms , supporting the drilling gear . The driving riggers and accompanying gearing are similar to that exhibited on the head stock of the lathe previously described ; but motion is communicated from the horizontal mandril to the ...
... arms , supporting the drilling gear . The driving riggers and accompanying gearing are similar to that exhibited on the head stock of the lathe previously described ; but motion is communicated from the horizontal mandril to the ...
Σελίδα 60
... arm on a shaft , throwing it backwards and forwards , whereby the motion is reversed and the requisite feed imparted ... arms to which they are attached being worked by a ver- tical rod , which rises and falls according to the motion of ...
... arm on a shaft , throwing it backwards and forwards , whereby the motion is reversed and the requisite feed imparted ... arms to which they are attached being worked by a ver- tical rod , which rises and falls according to the motion 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.