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Repeating Light
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Description: "Plane mirrors M revolve on an endless chain placed outside of the apparatus and alter the direction of the flashes after they pass into the dark arc on the landward side so as to cause the lenses L, L to repeat their flashes over the seaward are which requires strengthening. The condensing spherical mirror and mirror of unequal areas will also be found applicable in cases where the flashes do not require to sweep over the whole horizon." —The Encyclopedia Britannica, 1910
Source: The Encyclopedia Britannica, New Warner Edition (New York: The Werner Company, 1893)XIV:625
Keywords: Repeating, Light, Mirror, Plane, Lighthouse, Apparatus, Flash,
Copyright: 2009, Florida Center for Instructional Technology. See license.
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Clipart ETC is a part of the Educational Technology Clearinghouse and is funded by various grants. Produced by the Florida Center for Instructional Technology, College of Education, University of South Florida. Email the project manager.