NEW YORK AND LONDON
THE GOODHUE COMPANY
PUBLISHERS · MDCCCCX
Copyright, 1910, by The Goodhue Co.
All rights reserved
[CONTENTS]
THE CONQUEST OF THE ZONES
Geographical knowledge of the ancient Egyptians, p. [5]—The mariner's compass, p. [7]—Reference to the thirty-two points of the compass by Chaucer, p. [9]—Halley's observations on the changes in the direction of the compass in a century, p. [10]—Deviation of the compass, p. [11]—The voyage of the Carnegie, the non-magnetic ship, p. [12]—The "dip of the needle" first observed by Robert Norman, p. [13]—The modern compass invented by Lord Kelvin, p. [14]—Sailing by dead reckoning, p. [14]—The invention of the "log," p. [15]—The modern log, p. [17]—The development of the sextant, p. [18]—The astrolabe, p. [19]—The quadrant invented by Hadley, p. [20]—The perfected sextant, p. [21]—Perfecting the chronometer, p. [23]—The timepieces invented by the British carpenter, John Harrison, p. [25]—The prize won by Harrison, p. [27]—Finding time without a chronometer, p. [28]—The Nautical Almanac, p. [30]—Ascertaining the ship's longitude, p. [31]—Difficulties of "taking the sun" at noon, p. [33]—Measuring a degree of latitude, p. [34]—The observations of Robert Norman, p. [35]—The function of the Nautical Almanac, p. [37]—Soundings and charts, p. [41]—Mercator's projection, p. [44]—The lure of the unknown, p. [45]—The quest of the Pole, p. [47]—Commander Peary's achievement, p. [49]—How observations are made in arctic regions, p. [50]—Making observations at the Pole, p. [52]—Difficulties as to direction at the Pole, p. [54].