I have freely consulted the following standard works: American Practical Navigator, Bowditch; Wrinkles in Practical Navigation, Lecky; The Theory and Practice of Navigation, Dunraven; General Astronomy, Young; Navigation and Compass Adjustment, Muir; Guide to the Marine Board’s Examinations, Reed.
I have received and am grateful for very valuable help and suggestions from Mr. George W. Littlehales, Hydrographic Engineer, U.S.N., Mr. Felix Riesenberg, C.E., Commander New York State Schoolship Newport, and George A. Collie (deceased), Nautical Expert, Hydrographic Office, U.S.N.
G. B.
New York, April 15, 1918.
CONTENTS
| PAGE | |
| CHAPTER I | |
| Introductory Remarks | [1] |
| CHAPTER II | |
| Nautical Astronomy | [5] |
| CHAPTER III | |
| Declination and Right Ascension, including Precession | [15] |
| CHAPTER IV | |
| Time | [33] |
| CHAPTER V | |
| Corrections for Observed Altitudes | [68] |
| CHAPTER VI | |
| Latitude | [78] |
| CHAPTER VII | |
| Azimuths and Amplitudes | [93] |
| CHAPTER VIII | |
| Longitude | [101] |
| CHAPTER IX | |
| Sumner Method, including New Navigation | [107] |
| CHAPTER X | |
| The Moon | [139] |
| CHAPTER XI | |
| Charts | [146] |
| Index | [161] |
THE WHYS AND WHEREFORES
OF NAVIGATION