Darkness at Will

device with a circular face with two arms to indicate current level

When lecturing on the advancements made in electric light technology to 1882, Rookes Crompton (1845-1940), the inventor and maker of the current indicator shown here, told his electrical engineering colleagues that with ‘more light’ darkness could be determined at will, rather than controlled by the cycle of night and day. From early childhood Crompton was […]

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