hygrograph

The barographs and thermographs have been used on all the Norwegian Polar expeditions; the hygrograph is also an old instrument, which, in the course of its career, has worked for over ten years in Christiania, where the atmosphere is by no means merciful to delicate instruments.

The South Pole~ Remarks on the Meteorological Observations at Framheim 2009

At first the clockwork of the hygrograph would not go at all, as the oil had become thick, and it was not until this had been removed by prolonged severe heating (baking in the oven for several days) that it could be set going; but then it had to be used for the thermograph, the mechanism of which was broken, so that no registration was obtained of the humidity of the air.

The South Pole~ Remarks on the Meteorological Observations at Framheim 2009

After many consultations he was given the task of trying to construct a thermograph out of the hygrograph and the disabled thermograph; this was just the job for him.

The South Pole~ Preparing for Winter 2009

Besides these instruments we have a hygrograph -- we are well supplied; but this takes one of us out of doors once in the twenty-four hours.

The South Pole~ Preparing for Winter 2009

The barographs and thermographs have been used on all the Norwegian Polar expeditions; the hygrograph is also an old instrument, which, in the course of its career, has worked for over ten years in Christiania, where the atmosphere is by no means merciful to delicate instruments.

The South Pole; an account of the Norwegian antarctic expedition in the 'Fram', 1910 to 1912 2003

After many consultations he was given the task of trying to construct a thermograph out of the hygrograph and the disabled thermograph; this was just the job for him.

The South Pole; an account of the Norwegian antarctic expedition in the 'Fram', 1910 to 1912 2003

At first the clockwork of the hygrograph would not go at all, as the oil had become thick, and it was not until this had been removed by prolonged severe heating

The South Pole; an account of the Norwegian antarctic expedition in the 'Fram', 1910 to 1912 2003

Besides these instruments we have a hygrograph — we are well supplied; but this takes one of us out of doors once in the twenty-four hours.

The South Pole; an account of the Norwegian antarctic expedition in the 'Fram', 1910 to 1912 2003

The standard thermometer, thermograph and hygrograph were to occupy one of the screens, a convenient site for which was chosen about twenty yards to the east.

The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 Douglas Mawson 1920

The barographs and thermographs have been used on all the Norwegian Polar expeditions; the hygrograph is also an old instrument, which, in the course of its career, has worked for over ten years in Christiania, where the atmosphere is by no means merciful to delicate instruments.

The South Pole; an account of the Norwegian antarctic expedition in the "Fram," 1910-1912 — Volume 2 Roald Amundsen 1900