Demonstrating 'Chichester Bell's Singing Water-jet', 1912.
4 0 c m
actual image size: 25cm x 32cm

Demonstrating 'Chichester Bell's Singing Water-jet', 1912.

© Science Museum / Science & Society Picture Library


Plate taken from 'Soap Bubbles' (1912) by Charles Vernon Boys, demonstrating that a jet of water is 'a machine for magnifying sound'. The 'Water telephone' was one of a great number of experiments devised by Chichester Bell, cousin of telephony pioneer Alexander Graham Bell. Charles Vernon Boys (1855-1944), English physicist, designed a calorimeter for determining the calorific value of coal gas. He was President of the Physical Society in the period 1916-1918.

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