Optic rotation mechanism

From International Dictionary of Marine Aids to Navigation
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2-4-035

No English Term

The mechanism which rotates the optic or revolving screen in a flashing or occulting light.


Note: The terms Lens Clock and, in French, Machine de Rotation a Poids refer to such a mechanism when driven by a falling weight.

Ch2 Fig10.jpg




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

Number of cells

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