Hydroscope
(Redirected from Dynamic hydroscope)
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- One kind is an instrument for making observations below the surface of water,[1] such as a long tube fitted with various lenses arranged so that objects lying at the bottom can be reflected upon a screen on the deck of the ship that carries it. These are built with a large tire tube that supports the screen and covered by an acrylic dome for protection.[2]
- Another kind detects subsurface water through nuclear magnetic resonance using the surface nuclear magnetic resonance technique.
- An instrument (likely a hydrometer[3][4]) described by Synesius in his Letter 15 to Hypatia, written in 402 AD.[5][6] There are references to such instruments as early as the fourth century.[7]
- Another ancient Greek instrument: a water clock or clepsydra.[4]
Sources and notes
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- ↑ Booth, Charlotte (2017), Hypatia: Mathematician, Philosopher, Myth, London: Fonthill Media, Template:ISBN pp.113-114
- ↑ a b Script error: No such module "citation/CS1".
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