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Light, atmospheric particles and the causes of the blue colour of sea water and sky; 2 ff., back of f. 2 annotated in ARW's hand "see Tyndall in Nature vol. 1. ... colours of water and air".
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Thanking ARW for his report and enclosures on the storage of gunpowder and returning them, with comments on the proposal as applied to retailers.
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Light, atmospheric particles and the causes of the blue colour of sea water and sky, Tyndall's article in Nature, polarized light; 3 ff.
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Planting orchids and blue South African water lilies in garden; geology of East Grinstead and Limpsfield; visit of Mr William Greenell Wallace No 2 and his wife (from America), engineering work in Stockton (California); requests for a description of Miss Clarke and Violet's new school post [in Limpsfield], local German ladies; Mr Stillman; Hudson's book of British Birds; visit to the New Forest with Dora; regards to Mr Hobson.
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