The New American Practical Navigator: Being an Epitome of Navigation: Containing All the Tables Necessary to be Used with the Nautical Almanac in Determining the Latitude, and the Longitude by Lunar Observations, and Keeping a Complete Reckoning at Sea ... the Whole Exemplified in a Journal, Kept from Boston to Madeira ... with an Appendix, Containing Methods of Calculating Eclipses of the Sun and Moon, and Occultations of the Fixed Stars ... (Google eBook)

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E. & G.W. Blunt, 1851 - Navigation - 777 pages
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Contents

A short introduction to astronomy and geography
45
Examples in geography
51
Questions to exercise the learner in plane sailing
58
Meridional parts
63
A table showing how many miles of meridian distance correspond to a degree of longi
64
Table to correct the middle latitude
76
Table of solutions of the various cases of Mercators sailing
79
To work a compound course by middle latitude or Mercators sailing
86
To find the difference between the true and apparent directions of the wind
97
Gauging
103
To survey a coast in sailing along shore
109
To reduce soundings taken at any time of the tide to low water
115
Tides
120
Of the logline and halfminute glass
126
Description and use of a sextant of reflection
133
Verification of the mirrors and colored glasses
137
Verification of the mirrors and colored glasses
143
To observe the transit of any heavenly body over the meridian
150
To find the distance of the land in order to calculate the dip
155
To observe an amplitude or azimuth by a compass 1 s
159
To find the latitude by a meridian altitude of the sun or a fixed star
166
Suns declination 03
167
To find the latitude by the moons meridian altitude
171
To estimate the effects of small errors in the observations
179
Second method
185
Questions to exercise the learner in working double altitudes
193
To find the latitude by one altitude of the sun having your watch previously regulated
200
To find the latitude by the polar star
206
A Equation of time 08
208
To find the time at sea by the moons altitude
213
To regulate a chronometer by equal altitudes of the sun
219
To find the longitude at sea by lunar observations
225
Fourth method or Witchells improved method of finding the true distance
243
To calculate a planets altitude
249
To allow for the change of rate in a chronometer
257
To correct the dead reckoning
263
Explanations of sea terms
288
To find the correction and logarithm of a lunar observation when a star or either of the planets Venus Mars Jupiter or Saturn is observed 89
89
To find the correction and logarithm of a lunar observation when the sun is used 97
97
For finding the third correction of a lunar observation 130
130
For turning degrees and minutes into time and the contrary 131
131
Proportional logarithms 132
132
For finding the latitude by two altitudes of the sun 148
148
Natural sines and cosines 100
169
Logarithms of numbers 16
170
Logarithmic sines tangents and secants 185
185
To find the time of the moons passing the meridian 230
230
To find the variation of the moons declination kc 231
231
To find the suns right ascension 237
237
Variation of the suns altitude in one minute from noon 239
239
To reduce the numbers of Table XXXII to other given intervals from noon 243
243
Errors arising from a deviation of one minute in the parallelism of Die surfaces of the central mirror 244
244
Longitudes and latitudes of the fixed stars 245
245
Reductions of latitude and horizontal parallax 246
246
Aberration of the fixed stars in right ascension and declination 247
247
Nutation in right ascension and declination 243
248
Augmentation of the moons semidiameter found by the nonagesimal 249
249
Logarithms in Lyonss improved method 253
253
Third correction in Lyonss improved method 275
275
Mosquitoes
337
ANAMBAS ISLANDS 365
349
BANCAIsland 864
380
Catalogue of the Tables with examples of the uses of those not explained in other
392
To find the horary motion of the moon
398
To calculate the moons parallax in latitude and longitude
404
To calculate the longitude of a place from the observed beginning
410
To calculate an eclipse of the sun
417
To project an occultation of a fixed star
423
To find the longitude of a place by measuring the distance of the moon
429
Given the right ascension and declination to find the longitude
435
To find the longitude of a place from the beginning or end of a solar
443
CAPE VERDE ISLANDS 864
448
CHINA Southern coast 860
460
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