THE

PRACTICE OF NAVIGATION

AND

NAUTICAL ASTRONOMY.

PRACTICE OF NAVIGATION

AND

NAUTICAL ASTRONOMY.

BY HENRY RAPER, LIEUT. R.N.,

F.R.A.S. F.R.G.S.

TENTH EDITION.

LONDON:

PUBLISHED BY J. D. POTTER, 31 POULTRY,
AND 11 KING STREET, TOWER HILL.

Sole Agent for the Sale of the Admiralty Charts

1870.

184. h.26.

HE