A Treatise of Mechanics, Theoretical, Practical, and Descriptive, Band 2F.C. and J. Rivington, 1815 - 58 Seiten |
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Seite 51
... mercury in the barometer at the height of 28 to 32 inches . The density of air is , at a medium , about 833 times less than that of water : if we take round numbers and reckon 800 to 1 for the ratio of the densities , and put s2 for the ...
... mercury in the barometer at the height of 28 to 32 inches . The density of air is , at a medium , about 833 times less than that of water : if we take round numbers and reckon 800 to 1 for the ratio of the densities , and put s2 for the ...
Seite 63
... mercury the habitual tem- perature were 105 or 110 degrees on Fahrenheit's scale . 56. The principles which have been here exhibited are suf- ficient for the understanding of all which relates to the action of water or other fluids ...
... mercury the habitual tem- perature were 105 or 110 degrees on Fahrenheit's scale . 56. The principles which have been here exhibited are suf- ficient for the understanding of all which relates to the action of water or other fluids ...
Seite 64
... mercury in the two branches of the barometer shewed the measure of the elastic force of the vapour arising from the water in that temperature . Then lighting the fire below the boiler , he gradually raised the temperature of the water ...
... mercury in the two branches of the barometer shewed the measure of the elastic force of the vapour arising from the water in that temperature . Then lighting the fire below the boiler , he gradually raised the temperature of the water ...
Seite 65
... mercury which measures the expansive force , x the corresponding degrees of Reaumur's thermometer , and the other letters certain values which are assigned to them in the investigation . 62. But M. Prony , in the 2d volume of his ...
... mercury which measures the expansive force , x the corresponding degrees of Reaumur's thermometer , and the other letters certain values which are assigned to them in the investigation . 62. But M. Prony , in the 2d volume of his ...
Seite 68
... mercury . The pressure upon a square inch in pounds averdupois corresponding to any tem- perature may be found by multiplying the corresponding num- . ber taken from the table by 1475 : and the pressure for any in- termediate degree of ...
... mercury . The pressure upon a square inch in pounds averdupois corresponding to any tem- perature may be found by multiplying the corresponding num- . ber taken from the table by 1475 : and the pressure for any in- termediate degree of ...
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Häufige Begriffe und Wortgruppen
angle axis axle balance barometer barrel beam bottom brass bucket centre centrifugal force circular saw circumference cistern clock cock column common condensation construction contrivance cord crank cylinder degree descend described diameter dilatation distance effect engine epicycloid equal experiments extremity Fahrenheit fastened feet fixed fluid frame friction groove gudgeons heat holes horizontal horse hour hygrometer inches ingenious invention iron length lever lower machine machinery manner means mercury mill motion moveable moving force nearly observed pallet PANTOLOGIA Parcieux passes pendulum piece pinion pipe piston placed planchets plane plate pounds weight pressure pulley pump quantity radius raised rise rollers rope round scapement screw shaft shew side slide specific gravity spindle spiral spirit of wine steam striking surface teeth temperature thermometer tion tooth tube turn upper valve velocity vertical vessel vibrations water-wheel weight wheel
Beliebte Passagen
Seite 558 - 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 selfsame person may likewise abundantly perform in the interim, between the necessity of turning the said cocks.
Seite 558 - ... stopping and screwing up the broken end ; as also the touch-hole, and making a constant fire under it ; within twenty-four hours it burst and made a great crack.
Seite 55 - ... (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 288 - Now the distance of the centre of oscillation from the point of suspension...
Seite 558 - I have seen the water run like a constant fountain stream forty foot 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 selfsame person may likewise abundantly perform in the interim between the necessity of turning the said cocks.
Seite 558 - A way that, against several avenues to a fort or castle, one man may charge fifty cannons, playing and stopping when he pleaseth, though out of sight of the cannon. 67- A rare way likewise for musquetoons fastened to the pommel of the saddle, so that a common trooper cannot miss to charge them with twenty or thirty bullets at a time, even in full career.
Seite 55 - The load at the maximum is nearly, but somewhat less than, as the square of the velocity of the wind ; the shape and position of the sails being the same.
Seite 77 - Having thrust under his garter the bowl of a strong tobacco-pipe, his legs being bent, he broke it to pieces by the tendons of his hams, without altering the bending of his leg.
Seite 559 - ... hundred bolts, through fifty staples, two in each, with a direct contrary motion; and as many more from both sides and ends ; and at the self-same time, shall fasten it to the place beyond a man's natural strength to take it away ; and in one and the same turn both locketh and openeth it.
Seite 444 - ... 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.