The Quarterly Journal of Science and the Arts, Zväzok 5John Murray, 1818 |
Vyhľadávanie v obsahu knihy
Výsledky 1 - 5 z 24.
Strana 118
... telescope already mentioned gave him every ad- vantage . " Its apparent path while visible seemed to make a small angle with the sun's equator . Its state of motion seemed inconsis- tent with that of the solar rotation , and both in ...
... telescope already mentioned gave him every ad- vantage . " Its apparent path while visible seemed to make a small angle with the sun's equator . Its state of motion seemed inconsis- tent with that of the solar rotation , and both in ...
Strana 202
... telescope to some distant and well defined small object , and turn the milled head which is on the side of the transit till the object is seen with perfect distinctness . the level on the axis , and bring the bubble to the middle by ...
... telescope to some distant and well defined small object , and turn the milled head which is on the side of the transit till the object is seen with perfect distinctness . the level on the axis , and bring the bubble to the middle by ...
Strana 203
... telescope is elevated or depressed , and if not , correct half the apparent deviation by turning round the cell which contains the wires . The vertical wire covering some well defined distant object , take the instrument out of the Ys ...
... telescope is elevated or depressed , and if not , correct half the apparent deviation by turning round the cell which contains the wires . The vertical wire covering some well defined distant object , take the instrument out of the Ys ...
Strana 206
... telescope , when it is to be firmly fixed in the ground , and the part of it intersected by the vertical wire , particularly noted , so that the observer may be certain of bringing the transit again accurately to the same point , should ...
... telescope , when it is to be firmly fixed in the ground , and the part of it intersected by the vertical wire , particularly noted , so that the observer may be certain of bringing the transit again accurately to the same point , should ...
Strana 207
... telescope horizontal , the level hanging below the axis , and by means of the screws which support the instrument , bring the bubble to the middle of the level . Take the telescope out of the Ys , and turning it half round horizontally ...
... telescope horizontal , the level hanging below the axis , and by means of the screws which support the instrument , bring the bubble to the middle of the level . Take the telescope out of the Ys , and turning it half round horizontally ...
Obsah
1 | |
15 | |
25 | |
44 | |
52 | |
60 | |
74 | |
77 | |
199 | |
226 | |
231 | |
249 | |
257 | |
265 | |
274 | |
281 | |
81 | |
104 | |
111 | |
117 | |
123 | |
142 | |
154 | |
162 | |
177 | |
186 | |
193 | |
291 | |
300 | |
311 | |
323 | |
337 | |
351 | |
358 | |
381 | |
389 | |
396 | |
Iné vydania - Zobraziť všetky
Časté výrazy a frázy
altitude ammonia angle appears arts ascertained atmosphere Author axis azimuth BAMBUSA blue bodies bubble carbonate chloride chronometer cinders circle clock coast colours containing crystals Cyperaceae degree direction DISPERIS distance Ditto earth effect exhibited experiments feet flame flax given number glass green Greenland heat Hill and Bundy's horizontal hornblend hydrometer inches instrument iron island kaleidoscope lava length light limb liquid machine magnetic means measure meridian metal muriatic muriatic acid nearly needle nitric acid object observed obtained oxide oxygen paper particles pendulum plates platinum position potash produced proportion quantity quicksilver rays reflected reflectors result river rock Royal salt Saturday Sunday Monday sciences SCIRPUS seen shew shewn solution species specific gravity stone substance sun's supposed surface tabasheer tangent screw telescope temperature thermometer tion tube vegetable vernier vertical vibrations wire Zaire