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

SIGNS and abbreviations used in this work	1

+ is the sign of division and signifies that the number that stands before it is to be divided	2

Demonstration of the most useful propositions of geometry	7

Demonstration of theorems in plane trigonometry	13

Construction of the plane scale	18

Description and use of the sector	25

Division by logarithms	31

is the sign of equality and shows that the numbers or quantities placed before it	36

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

Equation of time	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

Table of solutions of the various cases of trigonometry	37

A short introduction to astronomy and geography	45

Examples in geography	50

Questions to exercise the learner in plane sailing	58

A table showing how many miles of meridian distance correspond to a degree of longi	64

IV	65

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

signifies angle	102

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

to front the titlepage Plate VIII to front page	116

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	149

To find the distance of the land in order to calculate the dip	155

To calculate the true amplitude	159

To find the latitude by a meridian altitude of the sun or a fixed star	166

To find the latitude by the moons meridian altitude	171

To estimate the effects of small errors in the observations	179

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

VI	77

X	86

sun is used	97

For finding the third correction of a lunar observation	131

For finding the latitude by two altitudes of the	160

97	169

XXXII	239

Longitudes and latitudes of the fixed stars	245

Logarithms in Lyonss improved method 253	253

Third correction in Lyonss improved method 275	275

CATALOGUE OF THE TABLES with examples of the uses of those not explained in other	392

To find the horary motion of the moon	400

To calculate the longitude of a place from the observed beginning	409

To project an eclipse of the moon	415

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

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	Nathaniel 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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