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On the Number of Dust Particles in the Atmosphere of certain Places in Great Britain and on the Continent, with Remarks on the Relation between the Amount of Dust and Meteorological Phenomena

Published online by Cambridge University Press:  15 September 2014

John Aitken
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Extract

The portable dust-counting apparatus described in a previous communication to this Society was designed with a view of making observations on the air at situations where it would be inconvenient to work with the larger laboratory apparatus; and also to enable these observations to be made under conditions more favourable for avoiding local impurities than is possible when working in a house. As the construction of this portable apparatus was completed just as I was about to start for the Continent, the opportunity seemed a favourable one for continuing the investigation into the number of dust particles in the atmosphere, and extending our knowledge on the subject in other countries. The portable apparatus is reduced to such dimensions that it adds but little to one's personal luggage, and can be easily carried to’ the place where the observations are to be made.

Type
Proceedings 1889-90
Information
Proceedings of the Royal Society of Edinburgh , Volume 17 , 1891 , pp. 193 - 254
Copyright
Copyright © Royal Society of Edinburgh 1891

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References

note * page 193 Proc. Roy. Soc. Edin., vol. xvi.

note * page 211 Proc. Roy. Soc. Edin., vol. xvi. p. 160.

note † page 211 Trans. Roy. Soc. Edin., vol. xxx. part i.

note * page 214 It has, however, been confirmed by later observations.