Machine for sampling sea-water at depth Francis Marcet
Product images of Machine for sampling sea-water at depth
Machine for sampling sea-water at depth
Plate 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
- Image reference: RS-8672
- The Royal Society
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