Encyclopaedia Britannica; Or A Dictionary of Arts, Sciences, and Miscellaneous Literature, المجلد 15Archibald Constable, 1823 |
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الصفحة 113
... OBJECT - Glass of a Telescope , or Microscope , the glass placed at the end of the tube which is next the object . See OPTICS and MICROSCOPE . OBJECTION , something urged to overthrow a po- sition , or a difficulty raised against an ...
... OBJECT - Glass of a Telescope , or Microscope , the glass placed at the end of the tube which is next the object . See OPTICS and MICROSCOPE . OBJECTION , something urged to overthrow a po- sition , or a difficulty raised against an ...
الصفحة 172
... glass , water and glass ; Discoveries and , being prepossessed with the ... object be conceived greater than that of the other , it will be imagined to ... object be applied close to the base of the larger segment of a sphere of glass ...
... glass , water and glass ; Discoveries and , being prepossessed with the ... object be conceived greater than that of the other , it will be imagined to ... object be applied close to the base of the larger segment of a sphere of glass ...
الصفحة 174
... object distinctly seen through the vacuum , the two glasses being equally inclined to the visual ray . Then admitting the air into the prism , the object was seen to rise above the hair gradually as the air entered , and when the prism ...
... object distinctly seen through the vacuum , the two glasses being equally inclined to the visual ray . Then admitting the air into the prism , the object was seen to rise above the hair gradually as the air entered , and when the prism ...
الصفحة 175
... glass , & c . must be limited to the mean rays of the spec- trum . Sir Isaac ... object glasses of telescopes must be equally affected by the different re ... object glasses of water and glass ; hoping , that by their difference of ...
... glass , & c . must be limited to the mean rays of the spec- trum . Sir Isaac ... object glasses of telescopes must be equally affected by the different re ... object glasses of water and glass ; hoping , that by their difference of ...
الصفحة 176
... glass ; that is , till the image of the object , though considerably re- fracted by the excess of the refraction of the water , ap- peared quite free from any colours proceeding from the different refrangibility of the light ; and as ...
... glass ; that is , till the image of the object , though considerably re- fracted by the excess of the refraction of the water , ap- peared quite free from any colours proceeding from the different refrangibility of the light ; and as ...
عبارات ومصطلحات مألوفة
afterwards ancient angle of incidence apparent magnitude appear axis beautiful Bocchus body Cæsar called Catiline cause centre Cicero colour common concave contrary converge convex degree diameter discourse diverge Dr Hooke Elocution endeavour enthymem equal expression eye-glass fall farther feet figure focal distance focus former give glass greater ground hole honour inches incident rays inhabitants Jugurtha kind king length lens less likewise manner Mark Antony Masinissa means metonymy Micipsa microscope Milo mind nature nearer Nile Norway Numidia object object-glass obliquely observed occasion optic orator pass perpendicular person Plate prism produced proper quantity Quintilian racter rays of light reason reflected refracting telescopes refraction refrangible retina river Roman Rome says seen sentence shadow side sometimes species speculum subcaudal scales supposed surface Tarshish telescope thing tion tropes vision whole words
مقاطع مشهورة
الصفحة 77 - O, speak again, bright angel ! for thou art As glorious to this night, being o'er my head, As is a winged messenger of heaven Unto the white-upturned wond'ring eyes Of mortals, that fall back to gaze on him, When he bestrides the lazy-pacing clouds, And sails upon the bosom of the air.
الصفحة 108 - For men verily swear by the greater: and an oath for confirmation is to them an end of all strife.
الصفحة 358 - And it came to pass at noon, that Elijah mocked them, and said, Cry aloud : for he is a god ; either he is talking, or he is pursuing, or he is in a journey, or peradventure he sleepeth, and must be awaked.
الصفحة 165 - But Jonah rose up to flee unto Tarshish from the presence of the Lord, and went down to Joppa; and he found a ship going to Tarshish : so he paid the fare thereof and went down into it, to go with them unto Tarshish from the presence of the Lord.
الصفحة 73 - If the world be promiscuously described, I cannot see of what use it can be to read the account; or why it may not be as safe to turn the eye immediately upon mankind as upon a ' mirror which shows all that presents itself without discrimination.
الصفحة 66 - Among the various reasons why we prefer one part of her works to another, the most general, I believe, is habit and custom : custom makes, in a certain sense, white black, and black white ; it is custom alone determines our preference of the colour of the Europeans to the .(Ethiopians, and they, for the same reason, prefer their own colour to ours.
الصفحة 42 - ... the sacrament of the Lord's Supper according to the usage of the Church of England...
الصفحة 73 - It is therefore not a sufficient vindication of a character that it is drawn as it appears; for many characters ought never to be drawn: nor of a narrative, that the train of events is agreeable to observation and experience; for that observation which is called knowledge of the world will be found much more frequently to make men cunning than good.
الصفحة 75 - ... while it is supported by either parts or spirit, it will be seldom heartily abhorred. The Roman tyrant was content to be hated, if he was but feared; and there are thousands of the readers of romances willing to be thought wicked, if they may be allowed to be wits. It is therefore to be steadily inculcated, that virtue is the highest proof of understanding, and the only solid basis of greatness; and that vice is the natural consequence of narrow thoughts, that it begins in mistake, and ends in...
الصفحة 73 - For this reason these familiar histories may perhaps be made of greater use than the solemnities of professed morality, and convey the knowledge of vice and virtue with more efficacy than axioms and definitions. But if the power of example is so great as to take possession of the memory by a kind of violence, and produce effects almost without the intervention of the will...