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 XI To find the poles of a given projected small
26
Prop XVIII A line making any constant angles with
32
Application of Mercators principle to a problem in navigation
41
Projection of a hemisphere orthographically on the plane
44
Prop III To express one of the sides of a spherical tri
48
CHAP IV
60
Explanation of the middle part and the adjacent and opposite
63
Correction to be applied in finding the time of transit at
72
Manner of finding the value of a run of the micrometer screw
79
107
83
Formula for computing the deviation of the axis of motion
85
Manner of finding the index error of such instrument
98
Process for finding the polar point on the circle
99
Manner of verifying the positions of the wires
105
Manner of determining the refraction by circumpolar stars
107
Projection of a hemisphere orthographically on the plane of
110
Method of finding the error of the polar axis in altitude
112
Parallax defined
114
DETERMINATION OF THE EQUINOCTIAL POINTS AND
129
The other planets and the comets revolve about the sun
130
CHAP VII
135
Coefficient of refraction from experiments on the refractive
143
CHAP VIII
152
Method of finding the mean diurnal motion of a planet in
157
THE FIGURE OF THE MOONS ORBIT PERIODICAL TIMES OF
164
Elementary method of finding an approximation to the earths
173
Maximum value of the aberration depending on the motion
177
Effect of aberration on the apparent place of the
183
Processes for finding from the observed azimuth and altitude
187
CHAP XI
189
cension
242
INTERPOLATIONSPRECISION OF OBSERVATIONS
248
CHAP XVI
263
Prob V Having the latitude of a station the day of
279
Prop II To correct the length of a pendulum on account
280
Prob VI To determine the hour of the day and the error
286
Prop III To correct the length of a pendulum on account
292
Investigation of the inclinations of the apparent to the true
296
Prob IX To find the altitude of the sun having the latitude
307
The nature and use of proportional logarithms
311
Methods of computing the sides of terrestrial triangles
316
Methods of finding the error and rate of a chronometer
318
Principles on which are founded the methods of finding
324
Process for finding the instants of ingress and egress for
328
The data and objects of research in nautical astronomy
332
Method of determining the hour of the night by a fixed star
338
NOTE The following propositions relate to the values of terrestrial
350
This example has been accidently placed at the end of art
357
and of determining the figure of the earth
374
The usual variation compass and dipping needle
381
Prop I Every section of a spheroid of revolution when
382
Instruments used for the more delicate observations
388
Projection of a portion of a sphere gnomonically on a tangent
389
Details of the process employed in measuring a base
391
Prob III To determine the positions of two objects with
398
Nature of mountain barometers Formula for finding
404
Formulæ for determining from observation the horizontal
414
Manner of expressing the intensity of terrestrial magnetism
420
160
Copyright

Other editions - View all

Practical Astronomy and Geodesy: including the projections of the Sphere and ...
John NARRIEN
Full view - 1845
Practical Astronomy and Geodesy: Including the Projections of the Sphere and ...
John Narrien
Full view - 1845
Practical Astronomy and Geodesy: Including the Projections of the ..., Volume 5
John Narrien
No preview available - 2016
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Common terms and phrases

altitude angular apparent axis azimuth becomes called celestial body centre circle computed consequently considered correction corresponding declination described determined diameter difference direction distance divided drawn earth ecliptic equal equator error expressed extremities figure fixed formula given graduation half horizontal hour inclination intersection interval known latitude latter length longitude manner mean measured meridian micrometer moon moon's motion moved movement nearly object observed obtained opposite orbit parallax parallel passing perpendicular plane polar pole position primitive produced projection radius refraction represented respect right angles right ascension screw side sidereal sine sphere spherical triangle star station substituting subtracted sun's supposed surface tangent telescope transit true turned vertical wire zenith distance zero

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TitlePractical Astronomy and Geodesy: Including the Projections of the Sphere and Spherical Trigonometry. For the Use of the Royal Military College
AuthorJohn Narrien
PublisherLongman, Brown, Green, and Longmans, 1845
Original fromOxford University
Digitized9 Oct 2006
Length427 pages
  
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