A Treatise of Mechanics, Theoretical, Practical, and Descriptive, Band 2F.C. and J. Rivington, 1815 - 58 Seiten |
Im Buch
Ergebnisse 1-5 von 100
Seite 10
... side of the rack , it lays hold of the other side , and forces the piston down again . This is proposed as a great improvement ; cor- recting the unequable motion of the piston moved in the com- mon way by a crank . But it is far ...
... side of the rack , it lays hold of the other side , and forces the piston down again . This is proposed as a great improvement ; cor- recting the unequable motion of the piston moved in the com- mon way by a crank . But it is far ...
Seite 12
... side of the teeth . This occasions a rattling at every change , and makes it proper to fashion both sides of the teeth with the same care . It will frequently conduce to the good performance of an en- gine , to make the action of the ...
... side of the teeth . This occasions a rattling at every change , and makes it proper to fashion both sides of the teeth with the same care . It will frequently conduce to the good performance of an en- gine , to make the action of the ...
Seite 19
... side of the pulley perpendicular to the horizon , by the side of which the moving force descended ; upon the scale was placed a moveable stage , which could be adjusted to the space through which the moving force descended in any given ...
... side of the pulley perpendicular to the horizon , by the side of which the moving force descended ; upon the scale was placed a moveable stage , which could be adjusted to the space through which the moving force descended in any given ...
Seite 23
... side 334 inches in 2 " , and on its edge 47 inches in the same time . Exp . 2. A second body was taken whose flat surface was to its edge as 32 : 3 , and with the same moving force it described on its flat side 32 inches in 2 " , and on ...
... side 334 inches in 2 " , and on its edge 47 inches in the same time . Exp . 2. A second body was taken whose flat surface was to its edge as 32 : 3 , and with the same moving force it described on its flat side 32 inches in 2 " , and on ...
Seite 35
... side of the roller in use a weight of 50lbs . with very fine and flexible packthread ; or indeed by means of several such threads distributed over the roller , and charged each with 50lbs . on each side , produce upon the rulers any de ...
... side of the roller in use a weight of 50lbs . with very fine and flexible packthread ; or indeed by means of several such threads distributed over the roller , and charged each with 50lbs . on each side , produce upon the rulers any de ...
Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
acceleration angle axis axle balance balance spring barometer beam body bottom brass capstan centre centrifugal force circular circular saw circumference cistern clock cock column common construction contrivance cord Coulomb crane crank cylinder descend diameter distance effect elasticity employed engine equal experiments extremity fastened feet fixed fluid frame friction groove gudgeons hole horizontal horizontal plane horse hygrometer inches ingenious invented iron length lever load lower machine machinery manner means mercury mill motion moving force nearly observed passes pendulum piece pinion pipe piston pivots placed planchets plane plate pressure produce proportion pulley pump quantity quicksilver radius raised ratio resistance roller rope round sails screw shaft shew side slide specific gravity spirit of wine steam stroke surface teeth thermometer tion tube turn upper valve vapour velocity vertical vessel vibration water-wheel weight wheel whole
Beliebte Passagen
Seite 45 - ... (7) The load, at a maximum, that sails of a similar figure and position will overcome, at a given distance from the centre of motion, will be as the cube of the radius.
Seite i - Studies serve for delight, for ornament, and for ability. Their chief use for delight, is in privateness and retiring; for ornament, is in discourse; and for ability, is in the judgment and disposition of business...
Seite 530 - I have seen the water run like a constant fountain stream forty feet high. One vessel of water rarefied by fire driveth up forty of cold water ; and a man that tends the work is but to turn two cocks, that, one vessel of water being consumed, another begins to force and refill with cold water, and so successively, the fire being tended and kept constant, which the self same person may likewise abundantly perform in the interim, between the necessity of turning the said cocks.
Seite 525 - A way how to make a boat work itself against wind and tide, yea both without the help of man or beast ; yet so that the wind or tide, though directly opposite, shall force the ship or boat against itself; and in no point of the compass...
Seite 534 - ... to keep them sweet, running through several streets, and so performing the work of scavengers, as well as furnishing the inhabitants with sufficient water for their private occasions...
Seite 434 - ... means afforded, ex re nata, and no need of provision beforehand, though much better if foreseen, and means prepared for it, and a premeditated course taken by mutual consent of parties.
Seite 45 - If sails are of a similar figure and position, the number of turns in a given time will be reciprocally as the radius or length of the sail.
Seite vii - Another idea we have of body, is the power of communication of motion by impulse ; and of our souls, the power of exciting motion by thought. These ideas, the one of body, the other of our minds, every day's experience clearly furnishes us with : but if here again we inquire how this is done, we are equally in the dark. For in the communication of motion by impulse, wherein as much motion is lost to one body as is got to the other, which is the...
Seite 527 - A way in one night's time, to raise a bulwark twenty or thirty foot high, cannon-proof, and cannon mounted upon it, with men to overlook, command, and batter a town ; for, though it contain but four pieces, they shall be able to discharge two hundred bullets each hour. 31.
Seite 45 - The effects of the same sails, at a maximum, are nearly, but somewhat less than, as the cubes of the velocity of the wind.