Machine for sampling sea-water at depth Bay of Venice Two astronomical observations of a

Two astronomical observations of a comet [now designated C/1742/C1] seen at St

Ray Galton with beard and Alan Simpson with the zip jacket

just like a governess cart

View of mill with a windmill on Blackheath

Cheapside by Bow Church

Machine for sampling sea-water at depth Bay of Venice Two astronomical observations of aPlate 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