Difference between revisions of "Cut-off screen"
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Latest revision as of 11:01, 1 March 2009
2-4-130
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)
