Occulting Hood: Difference between revisions
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Most commonly used in occulting lights and in signalling projectors. | Most commonly used in occulting lights and in signalling projectors. | ||
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Revision as of 10:01, 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)
