Cut-off screen: Difference between revisions
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No English Term | No English Term | ||
Latest revision as of 08:32, 17 September 2026
No English Term
An opaque screen covering part of a lantern, or placed outside the lantern, so as to provide a sharp cut-off to a beam in a sector light and to reduce the angle of uncertainty.
Note: This is a particular form of "cut screen".
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
