A Popular and Descriptive Account of the Steam Engine: Comprising a General View of the Various Modes of Employing Elastic Vapour as a Prime Mover in Mechanics; and on Steam Navigation; with an Appendix of Patents and Parliamentary Papers Connected with that SubjectJ. Weale, 1836 - 330 pages |
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Page ix
... square feet of canvass performing the average work of a day labourer . A mill of this magnitude seldom requires the attention of more than two men ; and it will thus be seen that , making allow- ance for its irregularity , wind ...
... square feet of canvass performing the average work of a day labourer . A mill of this magnitude seldom requires the attention of more than two men ; and it will thus be seen that , making allow- ance for its irregularity , wind ...
Page 3
... square inch . Column of Mer- cury . Column of wa- ter . Pressure pr square inch , inches . ft . in , lbs . Oz . inches . ft . in . lbs . oz . 212 ( boiling . ) 30 . 33 10.75 14 10.6 The steam equal to the atmosph . 215 31.83 35 11 15 9 ...
... square inch . Column of Mer- cury . Column of wa- ter . Pressure pr square inch , inches . ft . in , lbs . Oz . inches . ft . in . lbs . oz . 212 ( boiling . ) 30 . 33 10.75 14 10.6 The steam equal to the atmosph . 215 31.83 35 11 15 9 ...
Page 4
... square inch . 1 29.92 in . 212.0 14.61 lbs . avoir . 1 플 44.88 234.0 21.92 2 59.84 251.6 29.23 21 74.80 264.2 36.44 3 89.76 275.0 43.84 31/1 94.73 285.3 51.15 4 119.69 293.4 58.46 4 플 134.65 302.0 65.76 5 149.61 309.2 73.07 5 플 ...
... square inch . 1 29.92 in . 212.0 14.61 lbs . avoir . 1 플 44.88 234.0 21.92 2 59.84 251.6 29.23 21 74.80 264.2 36.44 3 89.76 275.0 43.84 31/1 94.73 285.3 51.15 4 119.69 293.4 58.46 4 플 134.65 302.0 65.76 5 149.61 309.2 73.07 5 플 ...
Page 34
... square inch , must in- evitably form an insuperable bar to its general introduction to our manufactures . Mr. Woolf's improvements , which are of considerable importance , are founded on the same principle as those of Mr. Watt , namely ...
... square inch , must in- evitably form an insuperable bar to its general introduction to our manufactures . Mr. Woolf's improvements , which are of considerable importance , are founded on the same principle as those of Mr. Watt , namely ...
Page 35
... square inch of the boiler , may be allowed to ex- pand itself to an equal number of times of its own volume , when it would still be equal to the weight of the atmos- phere , provided that the cylinder in which the expansion takes place ...
... square inch of the boiler , may be allowed to ex- pand itself to an equal number of times of its own volume , when it would still be equal to the weight of the atmos- phere , provided that the cylinder in which the expansion takes place ...
Autres éditions - Tout afficher
An Historical and Descriptive Account of the Steam Engine: Comprising a ... Charles Frederick Partington Affichage du livre entier - 1826 |
A Popular and Descriptive Account of the Steam Engine: Comprising a General ... Charles Frederick Partington Affichage du livre entier - 1836 |
A Popular and Descriptive Account of the Steam Engine: Comprising a General ... Charles Frederick Partington Aucun aperçu disponible - 2016 |
Expressions et termes fréquents
action admitted air-pump annulus apparatus applied axis beam boat bottom Boulton and Watt bushel carriages cast iron cast-iron boilers centre cistern coal cock cold water Committee communication condenser connected connecting rod considerable construction consumed Cornwall crank cylinder diameter effect elastic vapour employed examined expansive force expense feet fire fly-wheel furnace furnished heat high-pressure engine holes Holyhead horses improvements invention LELAND STANFORD lever London low-pressure machine machinery means mercury Messrs metal Meteor miles per hour mode paddles parallel motion pass passage patent pipe piston piston-rod placed plate pounds pressure produced propelling proportion pump purpose quantity raised ratchet-wheel reciprocating engine revolve river Thames roads rotatory motion safety-valve sailing Savery's Saving fuel screw shaft side smoke Sovereign STANFORD steam engine steam packets steam vessel steam-boats steam-carriages stroke surface tion toll tube upper vacuum valve velocity Watt's weight wheel Woolf wrought wrought-iron boiler
Fréquemment cités
Page 289 - Orders of The House, examined the matters to them referred; and have agreed to the following REPORT...
Page iii - Soon shall thy arm, unconquer'd Steam, afar Drag the slow barge, or drive the rapid car ; Or, on wide-waving wings expanded bear The flying chariot through the fields of air...
Page 322 - A Description and Draught of a new-invented Machine, for carrying Vessels or Ships out of, or into, any Harbour, Port, or River, against Wind and Tide, or in a calm.
Page 187 - Sixthly, I intend in some cases to apply a degree of cold not capable of reducing the steam to water, but of contracting it considerably, so that the engines shall be worked by the alternate expansion and contraction of the steam. — Lastly, Instead of using water to render the piston or other parts of the engines air and steam-tight, I employ oils, wax, resinous bodies, fat of animals, quicksilver, and other metals, in their fluid state.
Page 102 - Resolved, That the Chairman be directed to move the House, that leave be given to bring in a Bill for enforcing such regulations as may be...
Page 34 - Fourthly, I intend, in many cases, to employ the expansive force of steam to press on the pistons, or whatever may be used instead of them, in the, same manner as the pressure of the atmosphere is now employed in common fire-engines.
Page 8 - ... hours it burst, and made a great crack ; so that, having a way to make my vessels, so that they are strengthened by the force within them, and the one to fill after the other, I have seen the water run like a constant...
Page 8 - An admirable and most forcible way to drive up water by fire, not by drawing or sucking it upwards, for that must be as the philosopher calleth it, infra spheeram activitatis, which is but at such a distance. But this way hath no bounder, if the vessels be strong enough ; for I have taken a piece of a whole cannon, whereof the end was burst, and filled it...
Page 321 - ... the breadth, the remainder shall be esteemed the just length of the keel to find the tonnage ; and the breadth shall be taken from the outside of the outside plank in the broadest place in the ship, be it either above or below the main wales...
Page 186 - I intend, in many cases, to employ the expansive force of steam to press on the pistons, or whatever may be used instead of them, in the same manner in which the pressure of the atmosphere is now employed in common fire engines.