Lectures on Natural and Experimental Philosophy: Considered in It's [sic] Present State of Improvement : Describing, in a Familiar and Easy Manner, the Principal Phenomena of Nature, and Shewing, that They All Co-operate in Displaying the Goodness, Wisdom, and Power of God, Volume 1 |
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Overige edities - Alles weergeven
Lectures on Natural and Experimental Philosophy, Considered in It's Present ... George Adams Volledige weergave - 1794 |
Lectures on Natural and Experimental Philosophy, Considered in It's Present ... George Adams Volledige weergave - 1794 |
Lectures on Natural and Experimental Philosophy, Considered in It's Present ... George Adams Volledige weergave - 1794 |
Veelvoorkomende woorden en zinsdelen
action alſo animal appear applied atmoſphere barrel becomes body boiling bottom called carried caſe cauſe cold combined communicated condenſed conſequently conſider contained continue degree of heat direction effect elaſtic equal Eſq evident exhauſted expand experiments fire firſt fixed fluid force freezing give glaſs greater half heat human inches increaſe inſtrument iron it's itſelf leſs light lungs manner means meaſure melted mercury mind moſt motion move muſt nature nearly neceſſary obſerve particles philoſophy piece piſton plate preſſure prevent principles produced proportion proved pulſes pump quantity quickſilver raiſe reaſon receiver remains render riſe ſame ſay ſee ſhall ſhould ſmall ſome ſoon ſound ſpace ſtate Street ſtring ſtroke ſubject ſubſtance ſuch ſurface taken temperature thermometer theſe things thoſe tube turn uſe valve vapour veſſel vibrations weight whole whoſe
Populaire passages
Pagina 49 - ... part ; which makes a difference between the weights of each two contiguous parts of air. By a theorem in geometry, where the differences of magnitudes...
Pagina 414 - ... fell back into the mass at the bottom of the vessel. On the second day, small red particles began to appear on the surface of the mercury, which, during the four or five following days, gradually increased in size and number; after which they ceased to increase in either respect. At the end of twelve days, seeing that the calcination of the mercury did not at all increase, I extinguished the fire, and allowed the vessels to cool. The bulk of air in the body and neck of the matrass, and in...
Pagina 152 - Perhaps this is speaking rather too positively, if there be, as I think there are, some other mediums that will convey it farther and more readily. It is a well-known experiment, that the scratching of a pin at one end of a long piece of timber, may be heard by an ear applied near the other end, though it could not be heard at the same distance through the air. And two...
Pagina xlvi - Pythagoras in this attitude, furrounded by the Grecian fages on the field of the Olympic Games, whilft every eye was fixed with rapture and delight upon one of the...
Pagina 335 - They produce fire with great facility, and spread it in a wonderful manner. To produce it they take two pieces of dry soft wood, one is a stick about eight or nine inches long, the other piece is flat : the stick they shape into an obtuse point at one end, and pressing it upon the other, turn it nimbly by holding it between both their hands as we do a chocolate mill, often shifting their hands up, and then moving them down upon it, to increase the pressure as much as possible. By this method they...
Pagina 108 - Hence it follows, that when the receiver is exhausted to the above mentioned degree, the moisture adhering to the different parts of the machine will turn into vapour, and supply the place of the air which is continually drawn away by the working of the pump, so that the fluid in the pear gauge, as well as that in the receiver, will consist in good measure of vapour. Now, letting the air into the receiver, all the vapour within the...
Pagina 171 - Is that elevated science which affects the passions by sound. There are few who have not felt its charms, and acknowledged its expressions to be intelligible to the heart. It is a language of delightful sensations, far more eloquent than words; it breathes to the ear the clearest intimations ; it touches and gently agitates the agreea.ble and sublime passions ; it wraps us in melancholy, and elevates us in joy; it dissolves and inflames; it melts us in tenderness, and excites us to war.
Pagina 398 - ... by fome private virtue, yet making a part of the whole which cleanfes and purifies our atmofphere.
Pagina 53 - In every case, the assent ought to be proportioned to the evidence ; for to believe firmly what has but a small degree of probability, is a manifest abuse of our understanding. Now, though we may, in many cases, form very probable conjectures concerning the works of men, every conjecture we can form with regard to the works of God has as little probability as the conjectures of a child with regard to the works of a man.
Pagina 89 - Jhe water through the ground, must take a considerable length of time : Is that the reason why they are called intermitting springs ? Father. It is : Mr. Clare, in his treatise " On the Motion of Fluids," illustrates this subject by referring to a pond at Gravesend, out of which the water ebbs all the time the tide is coming into the adjacent river, and runs in . while the tide is going out. Another instance mentioned by the same author is a spring in Derbyshire, called the Wedding-well, which, at...
