SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
Physics lecture. Historical artwork of a physics lecture at the Charterhouse, London, England. The topic of the lecture is the physicist Stephen Gray (1666-1736). The speaker, B. W. Richardson (bearded, at lower right), is performing one of Gray's experiments, demonstrating electrical attraction between a charged glass rod and a soap bubble. Gray discovered that electrical charge could be transferred between objects. His experiment sending an electrical communication, or telegraph, over a distance of 198 metres, performed at Faversham, England in 1729, is illustrated at upper centre. Taken from Illustrated London News, 1874.
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