Machine for sampling sea-water at depth Product:Fine art poster receives the rather more domestic

receives the rather more domestic bag of tea

SOUTH BRIDGE EDINBURGH' John Hutton Balfour was elected a Fellow of the Royal Society in 1856

11th November 1970

embodying all the year's financial proposals

Machine for sampling sea-water at depth Product:Fine art poster receives the rather more domesticPlate 11 from the paper 'On the specific gravity, and the temperature of sea waters, in different parts of the ocean, and in particular seas; with some account of their saline content', by Alexander Marcet, Philosophical Transactions of the Royal Society, vol. 109 (1819), pp. 161 208. The instrument has twintrapdoors within a weighted brass cylinder. Original: pencil on paper. 1819