Practical Astronomy and Geodesy: Including the Projections of the Sphere and Spherical Trigonometry. For the Use of the Royal Military CollegeLongman, Brown, Green, and Longmans, 1845 - 427 pages |
From inside the book
Results 1-5 of 75
Page xxv
... MEASUREMENT OF A BASE . FORMULA FOR VERIFYING THE OBSERVED ANGLES AND COMPUTING THE SIDES OF THE TRIANGLES . MANNER ... measuring a base 392. Reduction of the base to the level of the sea - 353 · 355 357 393. Advantageous positions for ...
... MEASUREMENT OF A BASE . FORMULA FOR VERIFYING THE OBSERVED ANGLES AND COMPUTING THE SIDES OF THE TRIANGLES . MANNER ... measuring a base 392. Reduction of the base to the level of the sea - 353 · 355 357 393. Advantageous positions for ...
Page xxvi
... measured lengths of two degrees on a me- ridian - - - - - 383 385 387 388 416. ( Prop . V. ) To investigate the law of the increase of the degrees of latitude from the equator towards the poles - 388 417. ( Prop . VI . ) To determine ...
... measured lengths of two degrees on a me- ridian - - - - - 383 385 387 388 416. ( Prop . V. ) To investigate the law of the increase of the degrees of latitude from the equator towards the poles - 388 417. ( Prop . VI . ) To determine ...
Page xxvii
... measured lengths of a degree of latitude in different places . Presumed value of the earth's ellipticity 391 422. The triangles in a geodetical survey gradually increase as they recede from the base - 392 423. Methods of determining the ...
... measured lengths of a degree of latitude in different places . Presumed value of the earth's ellipticity 391 422. The triangles in a geodetical survey gradually increase as they recede from the base - 392 423. Methods of determining the ...
Page 7
... measured length of the shadow cast at noon by a column or obelisk erected at each of two places , lying in a direction nearly due north and south of each other . Thus , it being assumed that the earth is a sphere , and the sun so remote ...
... measured length of the shadow cast at noon by a column or obelisk erected at each of two places , lying in a direction nearly due north and south of each other . Thus , it being assumed that the earth is a sphere , and the sun so remote ...
Page 7
... measured , the following pro- portion will give the length of the earth's circumference : -- E m B n ACB ( in degrees ) : 360 ° : AB circumference ( = 24850 miles , nearly . ) 15. The processes by which the earth's form and mag- nitude ...
... measured , the following pro- portion will give the length of the earth's circumference : -- E m B n ACB ( in degrees ) : 360 ° : AB circumference ( = 24850 miles , nearly . ) 15. The processes by which the earth's form and mag- nitude ...
Contents
1 | |
7 | |
13 | |
18 | |
20 | |
32 | |
41 | |
44 | |
201 | |
203 | |
207 | |
208 | |
214 | |
220 | |
225 | |
228 | |
47 | |
57 | |
62 | |
64 | |
69 | |
72 | |
73 | |
79 | |
80 | |
83 | |
93 | |
96 | |
98 | |
104 | |
105 | |
107 | |
109 | |
110 | |
116 | |
124 | |
129 | |
135 | |
151 | |
153 | |
163 | |
164 | |
170 | |
177 | |
180 | |
183 | |
186 | |
189 | |
232 | |
233 | |
238 | |
251 | |
257 | |
279 | |
281 | |
292 | |
316 | |
318 | |
324 | |
331 | |
337 | |
338 | |
347 | |
350 | |
351 | |
353 | |
357 | |
358 | |
368 | |
372 | |
378 | |
389 | |
390 | |
392 | |
396 | |
398 | |
404 | |
419 | |
Other editions - View all
Practical Astronomy and Geodesy: Including the Projections of the ..., Volume 5 John Narrien No preview available - 2016 |
Common terms and phrases
angular distance apparent ascension and declination astronomical azimuth bisected celestial body celestial sphere centre circle passing circumference colatitude computed considered correction corresponding cosine cotan degrees described determined diameter difference earth ecliptic ellipse equal equator equatorial equinoctial point expressed fixed star formula geocentric given graduation Greenwich Greenwich mean horary motions horizontal parallax hour angle index error instant instrument interval latitude latter let fall limb longitude mean noon meridian micrometer moon moon's Nautical Almanac node observed altitude obtained optical axis orbit parallax parallel perihelion perpendicular plane passing polar distance pole position projection radius refraction represented revolution revolve right angles right ascension satellite screw sector semidiameter side sidereal sidereal clock sine sphere spherical triangle star's station subtended subtracted supposed surface tangent transit telescope true variation vertical wire zenith distance zero
Popular passages
Page 428 - Riddle's Diamond Latin-English Dictionary. A Guide to the Meaning. Quality, and right Accentuation of Latin Classical Words. Royal 32mo.
Page 427 - Howard's Introductory Greek Exercises, and Key. Introductory Greek Exercises to those of Huntingford, Dunbar, Neilson, and others; arranged under Models, to assist the learner: with Exercises on the different Tenses of Verbs, extracted from the Table or Picture of Cebes. By NATHANIEL HOWARD.
Page 425 - A COURSE OF ENGLISH READING, adapted to every Taste and Capacity : with Anecdotes of Men of Letters. By the Rev. JAMES PYCROFT, BA Trinity College, Oxford ; Author of " Latin Grammar Practice," and