Practical Astronomy and Geodesy: Including the Projections of the Sphere and Spherical Trigonometry. For the Use of the Royal Military College

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Longman, Brown, Green, and Longmans, 1845 - 427 pages
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Contents

Prop II The sines of the sides of any spherical triangle
47
Art Page
56
Determination of the value of its scale by a terrestrial object
62
Explanation of the middle part and the adjacent and opposite
63
Description of the spirit level and the manner of using it
68
Manner of bringing the meridional wire to the optical axis
69
The same by transits of circumpolar stars
75
Employment of the instrument in finding differences
90
Manner of observing horizontal and oblique angles
97
Process for finding the polar point on the circle
99
Reflecting circles having the property of repetition
103
Manner of verifying the positions of the wires
105
Art Page
107
A portable equatorial
111
Nautical and geocentric latitude explained
113
Method of finding the horizontal parallax of the moon or
120
The dip or angular depression of the horizon
126
Art Page
129
CHAP VII
135
Transformation when the centre is moved in one of
142
Coefficient of refraction from experiments on the refractive
143
CHAP VIII
152
Keplers three laws stated as results of observation
153
Investigation of the true in terms of the excentric anomaly
158
THE ORBIT OF THE MOON
164
The moons movements subject to considerable inequalities
170
Investigation of a formula for the precession in right
176
Art Page
177
The diurnal aberration of light
183
Processes for finding from the observed azimuth and altitude
187
CHAP XI
189
The place of the perihelion the semitransverse axis and
197
The laws of Kepler require modification for bodies moving
203
Reduction of sidereal time at Greenwich mean
238
Manner of finding the angle at the pole between the horary
244
Horary motions found by first and second differences
251
Formula for the degree of precision in an average
255
Method of least squares
261
In parabolical orbits the squares of the times of describing
263
Method of finding the latitude of a ship by the observed
268
Nature of the observations to be made for determining
269
Prob III To investigate a relation between a small varia
276
Prob V Having the latitude of a station the day of
280
Prob VI To determine the hour of the day and the error
286
Method of finding the error of a watch by equal altitudes
292
Formula for determining the latitude of a station by an
298
Conditions favourable to the accuracy of the computed
304
Method by observed culminations of the moon and certain
319
Principles on which are founded the methods of finding
324
Method of finding the time of the commencement
328
FormulŠ for the horary motions of the moon and a star
335
Method of finding the direction of a meridian line on
341
CHAP XVIII
350
Reduction of the base to the level of the sea
357
Art Page
361
Manner of determining the position of a meridian line
367
Processes for measuring a degree of a great circle perpendi
373
Proof from the lengths of the degrees of latitude that
381
Prop IV To investigate the ratio between the earths
387
Prop VIII To find the distance in feet on an elliptical
390
Prob III To determine the positions of two objects with
398
Nature of mountain barometers Formula for finding
404
Art Page
409
Manner of expressing the intensity of terrestrial magnetism
423
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Page 429 - 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

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