Reference numberMS/743/1/173
TitleCopy letter from Thomas Colby to Robert Stevenson
Date1 November 1821 [1860?]
DescriptionOn the composition of lighthouse glass, referencing Annales de Chimie. Comparing the light output of the Folkstone Hill Lighthouse with that of the Dungeness Lighthouse. With a covering note by David Brewster commencing "This letter I never saw till now...."
Access statusOpen
Fellows associated with this archive
NA3821Colby; Thomas Frederick (1784 - 1852)1784 - 1852
NA7450Brewster; Sir; David (1781 - 1868); natural philosopher1781 - 1868
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