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Picture No 10216272
Date 1882
Description Ayrton and Perry
Details

Professor William Ayrton and Professor John Perry, electrical engineers. Ayrton held the post of Professor of Natural Philosophy and Telegraphy at the Imperial College of Engineering, Japan, later becoming a Fellow of the Royal Society and holding several teaching posts, with a reputation for excellent, practical-based teaching. Together with Perry, he invented many electrical measuring instruments, including a spiral-spring ammeter and wattmeter. They also developed an electrical railway and invented the first electrical tricycle in 1882.
Source The Graphic, 22 April 1882, page 392
Credit © Illustrated London News Ltd/Mary Evans
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