Record

RefNoPP/8/11
Previous numbersPP/40/13
LevelItem
TitlePaper, 'On the polarisation of light by reflection from the surface of a crystal of Iceland spar' by John Conroy
Date[1885-1886]
DescriptionConroy writes: 'In the year 1819 Sir David Brewster communicated to the Royal Society (“Phil. Trans.,” 1819, p. 145) an account of some experiments he had made on the polarisation of light by reflection from the surface of double refracting substances, and showed that Malus’ statement with regard to Iceland spar was incorrect. Malus said that Iceland spar behaves towards the light it reflects like a common transparent body, and that its polarising angle is about 56° 30', and that whatever be the angle comprehended between the plane of incidence and the principal section of the crystal, the ray reflected by the first surface is always polarised in the same manner (“Théorie de la Double Refraction,” pp. 240, 241).'

Annotations in pencil and ink throughout.

Subject: Optics / Crystallography

Received 21 December 1885 / 27 January 1886. Read 4 February 1886. Communicated by George Gabriel Stokes.


A version of this paper was published in volume 40 of the Proceedings of the Royal Society as 'On the polarisation of light by reflection from the surface of a crystal of Iceland spar'.
Extent40p
FormatTypescript
PhysicalDescriptionInk and graphite pencil on paper
Digital imagesView item on Science in the Making
AccessStatusOpen
RelatedMaterialDOI: 10.1098/rstl.1819.0013
DOI: 10.1098/rspl.1886.0020
Fellows associated with this archive
CodePersonNameDates
NA8180Conroy; Sir; John (1845 - 1900)1845 - 1900
NA8283Stokes; Sir; George Gabriel (1819 - 1903)1819 - 1903
NA7450Brewster; Sir; David (1781 - 1868); natural philosopher1781 - 1868
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