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Lighthouse optic

Inchkeith lighthouse optic, a first order revolving lens, showing a flash every half minute and making one complete revolution in four minutes, designed by David A. Stevenson, made by Chance Brothers, Smethwick, 1889

Lighthouse optic

Full size fixed azimuthal condensing lighthouse optic on cast iron stand, to the design used for the River Tay leading lights at Buddon Ness, designed by Thomas Stevenson, by Chance Brothers and Co., Smethwick, 1866

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Advanced search Search terms must be longer than two characters. Use a * as a wildcard to widen your search (for example, bagpipe* will find bagpipe, bagpipes and bagpiper).