Improved machine for sampling sea-water at depth Size:L: 90 x 60cm reads a speech or announcement

reads a speech or announcement

Cross-looking man dancing with one shoe and a ruff

Interior view of Surrey Chapel with a service taking place

Two women on the left wearing seaside fashions and the woman on the right wears a garden dress

Improved machine for sampling sea-water at depth Size:L: 90 x 60cm reads a speech or announcementPlate 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