The mariners' handbook; a convenient reference book for navigators, yachtsmen, and seamen of all classes

1911·10.6 MB·English

by  International Correspondence Schools

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THE
MAR1NERS' HANDBOOK
A CONVENIENT REFERENCE BOOK
Navigators,Yachtsmen,andSeamenofallclasses, and
for all persons interested in the Navy, the
Merchant Marine, and Nautical
Matters generally
International Correspondence Schools
Scranton, Pa.
2dEdition,21st Thousand,5th Impression
SCRANTON, PA.
INTERNATIONAL TEXTBOOK COMPANY
KO 11202

Copyright, 1906, 1911,by
International Textbook Company
Entered at Stationers' Hall, London
All Rights Reserved
24S61
PREFACE
This handbook is intended as a book of refer
ence for the young men in the merchant marine,
as well as for those in the naval service. While
the treatment of some of the subjects included
is necessarily brief, the information given should
nevertheless prove useful and create a desire
for further study and investigation.
Ambitious seamen trying to fit themselves for
examination to higher rank in either service are
often embarrassed by insufficient knowledge of
logarithms; hence, we have incorporated a
thorough and comprehensive article on that
subject accompanied by tables of common
logarithms.
In the subject of navigation, terrestrial and
celestial, are included only the standard methods
practiced by the up-to-date navigator, and for
this reason the book should be of value to the
student, as well as to the navigating officer.
The treatment of these subjects does not consist
merelyofdefinitionsofterms,butrules,formulas,
and directions are given for each method, fol
lowed in every case by examples and carefully
worked-out solutions illustrating the process or
method explained. All problems appearing
throughout the book involving elements of time
f are worked out for values given in the Nautical
Almanac of 1904.
It is hoped that the information given about
the United States Navy, the British Royal Navy,
and other naval matters will prove valuable and
instructive, not only to men directly connected
with these navies, but also to the great majority
of merchant sailors and laymen who know but
little of the system and organization governing a
modern navy. The many opportunities for
iv PREFACE
advancement that the naval service offers, and
which are mentioned in sections dealing with
enlistment and pay, should be of particular
interest to ambitious young men casting about
for permanent and profitable employment.
In this handbook are incorporated the latest
international rules for preventing collisions at
sea, as wellas regulations governing the issuance
of licenses to officers of merchant ships.
This handbook was prepared under the super
vision of E. K. Roden, Principal of our School
of Navigation.
International Correspondence Schools
July, 1911
1NDEX
Angle, Vertical danger, 119.
Anglesand arcs, 2.
Account, Log book, 104. Danger, 118.
Accountant general of the Angulardistance, 122.
Britishnavy, 179. Annual parallax, 126.
Activelist.Britishnavy,IS5. Apparent solar day, 129.
Addition of decimals, 15. Arc, Complementof, 64.
offractions, 13. Supplementof, 64.
Administrationof British Arcs and angles, 2.
navy, 177. Aries, First point of, 122.
Administrative bureaus, U. Armor, Compound, 273.
S. navy, 153. Harvey and Krupp, 273.
Admiralty departments, -piercingshells, 237.
177. shelf, 273.
Lord Commissioners of, Armoredcruisers,206.
177. Arrangement of code book,
Agoniclines,70. 304.
Aim, Continuous, 242. Artificers, British navy,
Air flask of torpedo, 247. 188.
Alphabet, Semaphore, 310. Artificial magnets, 68.
Altitude, Circles of, 124. Ascension, Right, 125.
Ex-meridian, 136. Asteroids, 127.
Observed, 124. Astronomicalday, 138.
Parallaxin, 126. Attraction and repulsion.
True, 124. Magnetic, 69.
Altitudes,Correctionsof,131. Local, 72.
equal, Near noon, 141. Automaticguns, 220.
American torpedoes, Data Autumnal equinox, 122.
relating to, 257. Auxiliaries, Fleet, 216.
Ammunition, Fixed,220. Avoirdupoisweight, 2.
supply, 246. Axis, Magnetic, 69.
Amplitude,Compass, 125. oftheearth, 95.
True, 125. Azimuth, Compass, 125.
Anchorlights, 332. True, 124.
Anchors, Floating, 351.
Aneroidbarometer,Weather
indications by, 364. Bar, Flinders, 75.
AngletCosecantofan, 65. keel, 262.
Cosineof, 64. Barge, 217.
Cotangentofan, 64. Barometer,aneroid,Weather
Horizontal danger, 119. indicationsby, 364.
Hour, 125. mercurial, Weather indi
Secantofan, 65. cations by, 304.
Sineofan, 64. Basefuses, 240.
Spherical, 95. Battle-ship data, Compari-
Tangentof, 64. sonof, 203.