Improved machine for sampling sea-water at depth Size:L: 90 x 60cm bantamweight

bantamweight

1280x1030mm

reads a speech or announcement

The poet Charles Churchill is depicted as a bear in a clerical collar

Cross-looking man dancing with one shoe and a ruff

Improved machine for sampling sea-water at depth Size:L: 90 x 60cm bantamweightPlate 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