James Glaisher
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James Glaisher was a distinguished aeronaut, known especially for a series of scientifically-oriented ascents in the 1860s, including some with Henry Tracey Coxwell. He brought a heap of instruments with him and worked with remarkable speed to take constant readings from them.[1]
References
- ↑ Hildebrandt, 1908, Airships Past and Present, pp. 244–246. "Anybody who has ever made a meteorological ascent will well understand the amount of work involved by the numerous observations, and the careful method which would be necessary to cover so vast a range. It has been shown that on a journey made on July 21st, 1863, Glaisher must have made in a space of 60 seconds seven readings of the aneroid, accurate to the hundredth of an inch, and 12 readings of the thermometer, accurate to the tenth of a degree. On June 26th, 1863, he carried out the following observations in 1 hour 26 minutes, viz.: 107 readings of the mercury barometer, a similar number of the thermometer attached to the barometer, 63 readings of the aneroid, 94 of the dry, 86 of the wet bulb thermometer, 62 of the gridiron, 13 of the dry and 12 of the wet bulb thermometer fitted with aspirator, besides several observations with the hydrometer, and noting the time on 165 different occasions. Each observation must therefore have taken on an average 9.6 seconds, including such necessary attention as was given to the adjusting of the various instruments and apparatus."
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| Tech areas | LTA, Meteorology |
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