Continuous Registration of Temperature


IN your issue of July 26 (p. 306) there is a description of an apparatus lately devised by Messrs. Negretti and Zambra, by which a record of twelve temperatures in succession can be obtained by the somewhat elaborate arrangement of twelve thermometers, a clock, and a series of electromagnets and battery. I wish to bring under your notice a simple machine invented by Mr. Bowkett, late resident medical officer of the Leeds Fever Hospital, by which a continuous record of atmospheric temperature can be obtained by means of an apparatus consisting solely of a “bourdon” steam gauge tube, a clock, and a writing lever, costing little more than a few shillings.

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JACOB, E. Continuous Registration of Temperature. Nature 28, 436 (1883).

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