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; Illustrated by Proper Rules and Examples ... Dictionary of Sea Terms; and the Manner of Performing the Most Useful Evolutions at Sea: : with an Appendix, Containing Methods of Calculating Eclipses of the Sun and Moon, and Occultations of the Fixed Stars ...

E. & G. W. Blunt, proprietors ... Stereotyped at the Boston Type and Stereotype Foundry, 1844 - Nautical astronomy - 452 pages

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Decimal arithmetic	1

Demonstration of the most useful propositions of geometry	15

Description of Gunters scale	21

To find the logarithm of any number and the contrary	30

Plane trigonometry	36

Explanations of the terms used in astronomy and geography	47

Plane sailing	48

A table of solutions of the several cases of plane sailing	59

77	189

Questions to exercise the learner in working double altitudes	193

78	197

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

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

Questions to exercise the learner in parallel sailing	66

65	87

Table of solutions of the various cases of Mercators sailing	89

66	94

To find the difference between the true and apparent directions of the wind	97

Gauging	103

To find the contents of a field by the table of difference of latitude and departure	111

is the sign of equality and shows that the numbers or quantities placed before it	120

To find the time of high water by a Nautical Almanac	124

To take an altitude by a fore observation	131

to front the titlepage Plate VIII to front page 116	136

To adjust a sextant	137

Description and use of a portable transit instrument	145

67	151

Tables for correcting the adjustments of a transit instrument	153

Variation of the compass	158

To find the latitude by the moons meridian altitude	171

To estimate the effects of small errors in the observations	179

Second method	185

Examples of lunar observations	232

Second method of working a lunar observation	239

Table of corrections for second differences	245

Method of combining several lunar observations and determining the error of the chro	251

To allow for the change of rate in a chronometer	257

To correct the dead reckoning	263

Explanations of sea terms	288

Evolutions at sea	304

Right ascensions and declinations of the fixed stars	86

For turning degrees and minutes into time and the contrary	131

For finding the latitude by two altitudes of the	160

Logarithms of numbers	169

161	171

3	185

243	243

Table showing the variation of the altitude of an object arising from	251

CATALOGUE OF THE TABLES with examples of the uses of those not explained in other	396

Problem III	402

To find the longitude of a place by the moons passage over	409

Title	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; Illustrated by Proper Rules and Examples ...
Author	Jonathan Ingersoll Bowditch
Publisher	E. & G. W. Blunt, proprietors ... Stereotyped at the Boston Type and Stereotype Foundry, 1844
Original from	Harvard University
Digitized	Jul 14, 2008
Length	452 pages

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