On the graduation of the thermometers supplied from the Kew Observatory for the use of the arctic searching expedition under Sir Edward Belcher
These instruments were twelve in number, seven mercurial and five spirit thermometers, graduated for low temperatures. The processes adopted for the two kinds of instruments being different, I shall describe them separately. I. Mercurial Thermometers.—These were divided into degrees of Fahrenheit’s...
| Published in: | Abstracts of the Papers Communicated to the Royal Society of London |
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| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
The Royal Society
1854
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.1098/rspl.1850.0067 https://royalsocietypublishing.org/doi/pdf/10.1098/rspl.1850.0067 |
| Summary: | These instruments were twelve in number, seven mercurial and five spirit thermometers, graduated for low temperatures. The processes adopted for the two kinds of instruments being different, I shall describe them separately. I. Mercurial Thermometers.—These were divided into degrees of Fahrenheit’s scale in the following manner:—The tube was first calibrated in the way already described in my former report on the construction of thermometers (dated March 22); marks being made on the tube at each extremity of the calibrated space. |
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