19th Century power transmission. Illustration showing Sebastian Ziani de Ferranti (1864-1930) testing his 10,000 Volt cable in 1890. His assistant (with a look of trepidation) is holding an uninsulated chisel as it is driven through the live cable,to demonstrate Ferranti's protective cut-out. Deptford Power station in south-east London,also designed by Ferranti and opened in 1889,was the first station to produce a high- voltage output (10,000V) for transmission | |
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Crédit: | Science Photo Library |
Taille de l’image : | 5020 px × 3551 px |
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