Analysis of a course of lectures on natural and experimental philosophy, Volume 1 |
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Analysis of a Course of Lectures on Natural and Experimental Philosophy Adam Walker No preview available - 2016 |
Analysis of a Course of Lectures on Natural and Experimental Philosophy ... A Walker No preview available - 2018 |
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againſt alfo alkali alſo angle aqua fortis aqua regia atmoſphere attraction ball becauſe bladder bodies bottom calcination cauſe centre colour concave condenfed conductor confifts convex convex lens copper courſe cylinder defcend diameter diffolved diſcharge diſtance earth eclipfe effervefce electric cloud electricity exhaufted expoſed fall falt fame fecond feparated feven fhew fide filk filver fire fixt fluid fmall folar folid folution force fpirits fpring fquare friction ftands fteam ftones fubftances fulphur fun's furface fwell glafs glaſs globe heat hence inch increaſe inflammable inflammable air iron itſelf LECTURE lefs lofes metals miles mirror moon moſt motion muſt nitrous acid object occafioned oppofite orbit Orrery outfide paffing particles phlogifton pifton pipe planets pound weight preffure proved pump pyrophorus quantity quickfilver rays reaſon retina rife round the fun ſeen ſmall ſubſtances teleſcope thefe theſe thofe thoſe tube uſed veffel vegetable vitriolic acid weft weight wheel wire
Popular passages
Page 13 - So that the length of the winch doubles the power gained by each trundle. As the power gained by any machine, or engine whatever, is in direct proportion as the velocity of the power is to the velocity of the weight ; the powers of this crane are easily estimated, and they are as follows.
Page 26 - ... let in the air again, and upon weighing it when re-filled with air, it will be found confiderably heavier. Thus, a bottle that holds a wine quart, being emptied of air and weighed, is found to be about 16 grains lighter than when the air is let into it again ; which fhews that a quart of air weighs 16 grains.
Page 39 - ... downwards ; and this is always in proportion to their perpendicular height, without any regard to their quantity ; for, as each particle is quite free to move, it will move towards that part or fide on whjch the preflure is leaft.
Page 69 - ... extremities in the heavens appear motionless, while all the other parts seem in a continual state of revolution. The circle of motion in the heavenly bodies seems to increase with the distance from the poles. The Tropics are two small circles parallel to the equator, at 23^ degrees distance from it ; that to the north is called the tropic of Cancer, and that to the south the tropic of Capricorn. The Polar circles circumscribe the poles of the world, at the distance of 23£ degrees. That on the...
Page 79 - ... interest was subordinate to his passion for humanity. It was the reformer in Shelley which supplanted, though it did not destroy, the scientist. Mr. Ingpen cites a sentence from Adam Walker's Analysis of a Course of Lectures on Natural and Experimental Philosophy.1 Of the planets: "Who can doubt therefore but they are inhabited, as well as all the worlds of the other system? How much too big is this idea for the human imagination!
Page 5 - Y. 5 it could be entirely deprived of the fire it contains, as bodies of the moft difficult fufion become fluid when penetrated by a fufficient quantity of its particles.
Page 77 - The comets move in all manner of directions, in orbits which are very long ellipfcs, much inclined to one another, and to the orbits of all the planets. The tails of comets are only thin vapours, for if .they were flame no ftar could be feen through them. The time in which any planet goes round the fun is the length of...
Page 25 - This body of air, together with the clouds and vapours that float in it, are called the atmosphere { and it reaches about forty-five miles above the ground before it degenerates into too thin an ether for any creature to breathe ; this is known by...
Page 50 - ... the particles of the bran are carriers as it were of the electric fire from the ball to the plate : And if two bells be hung on the conductor, one by a flaxen thread, and the other by a...