Abstract
THE accompanying design (from La Nature) represents a water bell, the invention of M. Bourdon, of more transparent and complete effect than those hitherto produced, which have all either made the water issue by a very diminutive annular orifice, or shot the liquid jet against a disk of polished metal with slightly elliptic rim, producing in either case a bell fringed all round its circumference and lacking transparency.
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Water Bells . Nature 30, 408–409 (1884). https://doi.org/10.1038/030408g0
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DOI: https://doi.org/10.1038/030408g0