An Introduction to Natural Philosophy: Illustrated with Copper Plates, Volume 1 |
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acceleration acquired action angle appear applied arrive attraction axis becauſe become bodies called carried caufes cauſe circle colours confequently confiderable confidered continue contrary defcribed diameter direction diſtance Earth ecliptic effect equal evident fall fame feen fhadow fide figure fimilar fituated fixed follows fome force fquare fuch fuppofe furface given gravity greater horizon ideas inch incident inclined increaſe Jupiter laft laws lefs length leſs lever light likewife magnitude matter means meaſure Moon Moon's motion move muſt nature node obferved object oppofite orbit paffing parallax parallel particles periodical perpendicular plane plate pofition proceed produced properties proportion quantity ratio rays reaſon reflection refraction remain reprefent reſpect revolve ſmall ſpace Sun's theſe things thofe thoſe tion velocity Venus viewed weight whence whofe whole
Popular passages
Page 303 - Boyle] as when it is adjacent to it. Secondly, If Light in its paflage out of Glafs into Air be incident more obliquely than at an Angle of 40 or 4 1 Degrees it is wholly reflected, if lefs obliquely it is in great meafure tranfmitted.
Page 289 - ... hot; that the vibrations thus excited are propagated in the refracting or reflecting medium or substance, much after the manner that vibrations are propagated in the air for causing sound, and move faster than the rays so as to overtake them; and that when any ray is in that part of the vibration which conspires with its motion, it easily breaks through a refracting surface, but when it is in the contrary part of the vibration which impedes its motion, it is easily reflected...
Page 277 - Thus (hall there be made two Bows of Colours, an interior and ftronger, by one reflexion in the Drops, and an exterior and fainter by two ; for the Light becomes fainter by every reflexion.
Page 276 - F, and ftrike the fenfes with the intermediate Colours in the order which their degrees of refrangibility require , that is, in the progrefs from...
Page 306 - fmall to be vifible. And therefore, if light were " reflected by impinging on the folid parts of the " glafs, it would be fcattered as much by the moft *' polifhed glafs, as by the rougheft. So then it re...
Page 276 - Eye, and thereby ftrike the fenfes with the deepeft violet Colour in that region. And in like manner the Angle SFO being equal ta the Angle P OF, or 42 deg.
Page 294 - Feathers of fome Birds, and particularly thofe of Peacocks Tails, do, in the very fame part of the Feather, appear of feveral Colours in feveral Pofitions of the Eye, after the very fame manner that thin Plates...
Page 271 - The instance of the separation of the primary colours of light, which seems most remarkable, is that of the RAINBOW. It is formed, in general, by the reflection of the rays of the sun's light from the drops of falling rain, though frequently it appears among the waves of the sea, whose heads, or tops, are blown by the wind into small drops, and it is sometimes seen on the ground, when the sun shines on a very thick dew.
Page 303 - Room be fucceffively caft on a fecond Prifm placed at a greater diftance from the former, in fuch -manner that they are all alike incident upon it, the fecond Prifm may be fo inclined to the incident Rays, that thofe which are of a blue Colour fhall be all reflected by it, and yet thofe of a red Colour pretty copioufly tranfmitted. Now if the...
Page 306 - Ray is effected, not by a single point of the reflecting Body, but by some power of the Body which is evenly diffused all over its Surface, and by which it acts upon the Ray without immediate Contact.
Bibliographic information
| Title | An Introduction to Natural Philosophy: Illustrated with Copper Plates, Volume 1 An Introduction to Natural Philosophy: Illustrated with Copper Plates, William Nicholson |
| Author | William Nicholson |
| Edition | 5 |
| Publisher | J. Johnson, 1805 |
| Original from | the University of Michigan |
| Digitized | 29 Jun 2007 |
| Export Citation | BiBTeX EndNote RefMan |