Letter | Published:

Mercury Bubbles

Naturevolume 79page37 (1908) | Download Citation



I REMEMBER seeing mercury bubbles, like those described by Mr. J. G. Ernest Wright in NATURE of November 5 (p. 8), sixty years ago, when I was a junior student at the Royal College of Chemistry under Hofmann. In the basement laboratory was a tap delivering water under considerable pressure from a cistern on the roof, and it was a favourite experiment to take a basin half full of mercury and water and to turn the tap suddenly on it. The rush of water carried down air into the mercury, and great bubbles of the metal rose, floating on the surface of the water. I do not remember seeing bubbles as large as 22 mm. in diameter, but frequently they were as large as ordinary marbles.

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