Zona de identificação
Código de referência
Add. MS a/201/78
Título
Letter from David Brewster
Data(s)
- 30 May 1830 (Produção)
Nível de descrição
Item
Dimensão e suporte
4 pp
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Âmbito e conteúdo
Allerly by Melrose - DB is 'much obliged to you for your account of Goethe's theory of refraction, and I cannot conceive how a man in a sane state of mind could publish such nonsense'. DB will be happy to publish WW's observations on Dr Lardner's [Dionysius Lardner] Mechanics. Pleased to hear George Airy is giving lectures on polarisation. DB is working hard on this subject: 'I have discussed the mathematical law which expresses the quantity of light polarised either by reflexion or refraction of any angle of incidence', and a new phenomena of polarisation he calls 'Elliptical'. DB thinks he has proved that 'pressure is the cause of double refraction in regular crystals'.