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Description: | Differential thermometer. 2 x 12" thermometers (one with blacked bulb and one with silver bulb). Mounted in vacuum tube on a wooden base.
The black-bulb and silver bulb thermometers are used to measure radiation - short-wave Solar radiation and long-wave Earth radiation. The vacuum insulates them from convection and conduction.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | thermometers | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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