Record

RefNoAP/34/10/20
LevelItem
TitleUnpublished figure, rotated neutral axes of the selenite by William Bird Herapath
CreatorHerapath; William Bird (1820-1868); English surgeon; chemist
Date19 January 1854
DescriptionA figure in coloured ink, labelled figure 33, in which 'the neutral axes of the selenite have been rotated 15 degrees, so as to be removed from the position of maximum polarisation of [...] crystals'.

Subject: Chemistry / Optics
Extent1p
FormatDrawing
PhysicalDescriptionInk on paper
AccessStatusOpen
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