Improved machine for sampling sea-water at depth Size:L: 75 x 50cm 'Certain City macaronis drinking asses'

'Certain City macaronis drinking asses' milk'

Timotheus was a Greek poet famous for his nomes and dithyrambs

Francesco Algarotti was elected a Fellow of the Royal Society in 1736

at Beckenham

Improved machine for sampling sea-water at depth Size:L: 75 x 50cm 'Certain City macaronis drinking asses'Plate 12 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 was made by John Newman of Lisle Street London and used by William Edward Parry's 1819 1820 expedition Baffin Bay aboard HMS Hecla. Original: pencil on