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XV. To find the time at Greenwich corresponding to a given

lunar distance

To take out a planet's right ascension and declination.

XVI. Given mean solar time and the equation of time to find

apparent solar time, and the converse

XVII. Given mean solar time to find sidereal time.

XVIII. Given apparent solar time to find sidereal time

XIX. To find what heavenly body will pass the meridian the

next after a given time

XX. Given sidereal time to find mean time

XXI. Given hour angle to find ship mean time

XXII. To find at what time any heavenly body will pass the

XXIII. Given a star's observed altitude to find its true altitude

XXIV. Given a planet's observed altitude to find its true

106

altitude.

107

XXV. Given the sun's observed altitude to find its true

altitude

109

.

XXVI. Given the moon's observed altitude to find its true

altitude

110

Rules for finding the Latitude.

XXVII. To find the latitude by meridian altitudes of a circum-

polar star

114

XXVIII. To find the latitude by sun's meridian altitude

117

XXIX. To find the latitude by sun's meridian altitude in arti-

ficial horizon

120

XXX. To find the latitude by moon's meridian altitude
XXXI. To find the latitude by star's meridian altitude
XXXII. To find the latitude by planet's meridian altitude

XXXIII. To find the latitude by meridian altitude under the

122

125

127

XXXIV. To find the latitude by sun's altitude near the meridian 136

XXXV. Correction for run of the ship in double altitude.

XXXVI. To find the latitude by double altitude of sun.

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XXXVII. To find the latitude by double altitude of two stars

observed at same time

150

XXXVIII. To find polar angle

155

XXXIX. To find the latitude by double altitude of two stars

observed at different times

157

altitude

XL. Ivory's Rule for finding the latitude by sun double

XLI. To find the longitude from the above observations
XLII. Given, error and rate of chronometer, to find

Greenwich mean time at some instant

XLIII. To find error of chronometer on mean time at the

ship by a single altitude of the sun

170

XLIV. To find the error of chronometer on mean time at

Greenwich by a single altitude of the sun

172

XLV. To find error of chronometer on mean time by single

altitude of a star

178

XLVI. To find error of chronometer by equal altitudes

183

altitude

Rules for finding the Longitude.

XLVII. To find the longitude by chronometer and altitude of

XLVIII. To find the longitude by chronometer and star

Lunar observations

XLIX. To clear the lunar distance

208

L. To find the longitude by sun lunar (ship time deter-

mined from sun's altitude)

LI. To find the longitude by sun lunar (ship time deter-

mined from moon's altitude)

LII. To find the longitude by star lunar (ship time deter-

mined from star's altitude)

LIII. To find the longitude by star lunar (ship time deter-

mined from moon's altitude)

LIV. To find the longitude by planet's lunar (ship time

determined from planet's altitude)

Longitude by lunar-altitudes calculated to find ship

mean time

LV. To find longitude by sun lunar, altitudes calculated. 230
LVI. To find longitude by star lunar, altitudes calculated. 236

Variation of Compass.

LVII. To find the variation of the compass, having given the

true bearing and compass bearing and deviation

LVIII. Variation by amplitude

LXIX. Variation by altitude azimuth.

LX. Variation by time azimuth

Examination Papers

NAVIGATION.

B