Reference numberPP/16/32/1
Previous numbersPP/48/32
TitleManuscript, 'The spectroscopic properties of dust' by G D [George Downing] Liveing and J [James] Dewar
DescriptionThe authors write: 'The suggestion that the auroral spectrum, the principal ray in the spectrum of nebulae, and other rays of unknown origin, might be due to meteoric dust induced us to investigate the problem whether solid particles of sufficient minuteness would act like gaseous molecules in an electric discharge and become luminous with their characteristic special radiation. The dust we employed was that thrown off from the surface of various electrodes by a disruptive discharge, and it was carried forward into the tube of observation by a more or less rapid current of air or other gas. The arrangement will be best understood from the annexed diagram, which represents a section of the glass vessel which was the principal part of the apparatus. A represents a bulb in which were the electrodes a, a to give the dust, connected by a widish tube d with the tube for observation B.'

Annotations in pencil and ink. Note on front reads 'Copy 15.10.90'. Includes one diagram of experimental apparatus.

Subject: Astronomy / Spectroscopy

Received 16 August 1890.

A version of this paper was published in volume 48 of the Proceedings of the Royal Society as 'The spectroscopic properties of dust'.
Physical descriptionInk and graphite pencil on paper
Digital imagesView item on Science in the Making
Access statusOpen
Related materialDOI: 10.1098/rspl.1890.0048
Fellows associated with this archive
NA1468Liveing; George Downing (1827 - 1924)1827 - 1924
NA5870Dewar; Sir; James (1842 - 1923)1842 - 1923
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