Difference between revisions of "Occulting Hood"

Revision as of 11:01, 1 March 2009

2-4-110

(Occulting) Hood

An opaque cover brought down over the light source in an optical apparatus to obscure it for a short period.

Most commonly used in occulting lights and in signalling projectors.

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

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