Improved machine for sampling sea-water at depth Finish:none Moorfields and London Wall

Moorfields and London Wall

Pictured making a speech in Berlin

they finished the race in 20th place

View of Fishmongers' Hall

Improved machine for sampling sea-water at depth Finish:none Moorfields and London WallPlate 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