The Evolution of the Nautical Chart1923 - Charts - 28 pages |
Common terms and phrases
accurate Alaska ANACAPA ISLAND angles Atlantic BELL Bureau C&GS cartographer century changes channels Charleston earthquake chart construction Coast and Geodetic compass compiled copper plate correct currents determined drawn earth earth's magnetic earthquake east engineering engraved evolution exploration fathoms geodesy geodetic control Geodetic Survey geographic Gulf Stream hand-lead harbors Hassler hydrographic survey important Islands James McNeill Whistler jection knowledge known stations land latitude and longitude Ledge LITTLE EGG INLET located loxodromic magnetic needle magnetic observatories mariner mean sea-level Mercator projection meridians method miles nautical chart navigation necessary observations ocean operation Pacific period Petrus Vesconte portolanos ports predictions printed records Russian America sailing Sand scale seismological shoal shore-line shown signals sounding boat sounding lines stationary wave submerged theory three-point problem tidal planes tide tion topographic map topographic surveys triangulation variation vellum vessels voyage wire wire-drag