MATHEMATICAL AND GENERAL

NAVIGATION TABLES,

✓

INCLUDING EVERY TABLE REQUIRED WITH THE NAUTICAL ALMANAC IN FINDING TIE

WITH AN EXPLANATION OF THEIR CONSTRUCTION, USE, AND APPLICATION TO

NAVIGATION AND NAUTICAL ASTRONOMY,

TRIGONOMETRY, DIALLING, GUNNERY, ETC. ETC.

BY THOMAS KERIGAN, R. N.

AUTHOR OF "THE YOUNG NAVIGATOR'S GUIDE,” ETC.

SECOND EDITION;

CAREFULLY REVISED, AND ADAPTED TO THE IMPROVED ELEMENTS INTRODUCED INTO THE

NAUTICAL ALMANAC.

Dedicat ed, by permission, to the Right Hon. the Lords Commissioners of the Admiralty.

IN TWO VOLUMES.

VOLUME I,

LONDON:
PUBLISHED BY SIMPKIN, MARSHALL, '& CO.,

STATIONERS' HALL-COURT, LUDGATE-HILL;
J. W.

AND CO., LEADENHALL - STREET.

AND SOLD

BY

NORIE

PUBLIC LIBRARY

20005 )
ASTOR, LENOX AND
TILDEN FOUNDATION
R
1915

L

LONDON: PRINTED BY MILLS AND SON,

GOUGH-SQUARE, FLEET-STREET.

TO

THE RIGHT HONOURABLE GILBERT, EARL OF MINTO, G.C.B., &c., &c.,
VICE-ADMIRAL SIR CHARLES ADAM, K.C.B., M.P.,
REAR-ADMIRAL SIR WILLIAM PARKER, K.C.B.,
REAR-ADMIRAL THE HONOURABLE GEORGE ELLIOT, C.B.,
CAPTAIN SIR EDWARD THOMAS TROUBRIDGE, BART., M.P.,-and
THE RIGHT HONOURABLE LORD DALMENY, M.P.,

HIGH

HER MAJESTY'S LORDS COMMISSIONERS FOR EXECUTING THE OFFICE OF LORD

ADMIRAL OF THE UNITED KINGDOM OF GREAT BRITAIN AND IRELAND,