Letter | Published:

The Collection of Meteoric Dust—A Suggestion


IN the Report of the Committee on Meteoric Dust, given in your report of the last meeting of the British Association (NATURE, vol. xxiv. p. 462), Prof. Schuster refers to the difficulty “found in the determination of the locality in which the observations should be conducted,” as there are but few accessible places sufficiently sheltered “against any ordinary dust not of meteoric origin. The lonely spots best suited for these observations are generally accessible to occasional experiments only, and do not lend themselves easily to a regular series of observations.” As it is highly important that such a regular series should be obtained, and that such observations should be made in places “sheltered as much as possible” from dust of terrestrial origin, I venture to think that these conditions would be complied with by employing suitably constructed captive balloons, carrying the collecting apparatus at the highest attainable altitude. By this means we should have the great advantage of not only making the experiments abroad, but the observations might also be made from some hill-top in the north of Scotland, sufficiently far from any manufacturing town to insure the necessary freedom from dust of terrestrial origin.

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