Floating Lights
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“aa is the mast, b tackle hook, c, c brass flanges for fixing parts of lantern together, e and g weather guards, h plate glass front of lantern, i shutter by which lamps are trimmed, k lamps, l silver reflector. Revolving catoptric apparatus was applied to floating lights in England, and M. Letourneau, in 1851, proposed to employ a number of sets of dioptric apparatus in one lantern.” —The Encyclopedia Britannica, 1910
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LighthousesSource
The Encyclopedia Britannica, New Warner Edition (New York, NY: The Werner Company, 1893)
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