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CHAPTER II.
Tropic of Capricorn.—Deep Soundings.—Arrival at St. Helena.—Land Observers and Instruments.—Magnetic Observatory.—Powerful Magnetic Effect of the Island.—Sail from St. Helena.—Direction of Line of least Magnetic Intensity.—Its Change of Position as compared with former Observations.—Water Spouts.—Sudden Gusts of Wind and heavy Rain.—Height of Waves.—Kattendyk Shoal.—Second Experiment for deep Soundings.—Current of cold Water.—Great Change in Temperature of Air and Sea.—Its probable Cause.—Arrive at Cape of Good Hope.—Replenish Stores and Provisions.
