Reinforcing Mirror

From International Dictionary of Marine Aids to Navigation
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2-2-040

A mirror which directs on to an optical system light emitted by the light source in directions other than that of the optical system, so as to increase the luminous intensity or the angle of divergence (or both) of the beam.

Ch2 Fig13.jpg




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM