thermometrograph

Updated: May 8, 2025

The temperature fell rapidly, and the thermometrograph marked only two degrees on the surface of the sea, whilst the deep water was below zero. Half-melted snow now began to fall, and everything bore witness that the Antarctic regions were indeed entered. Clarence, New South Orkney Islands, could not be identified. Every one's attention had to be concentrated on avoiding blocks of ice.

Jules Verne - Celebrated Travels and Travellers: Part III. The Great Explorers of the Nineteenth Century

A boat was despatched to Cape Remarkable, where Bougainville said he had seen fossil shells, which, however, turned out to be nothing but little pebbles imbedded in a calcareous gangue. Interesting experiments were made with the thermometrograph, or marine thermometer, at 290 fathoms, without reaching the bottom, at less than two miles from land.

Jules Verne - Celebrated Travels and Travellers: Part III. The Great Explorers of the Nineteenth Century