Difference between revisions of "Sector (of a sector light)"
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Revision as of 11:02, 1 March 2009
2-5-220
The space bounded by two vertical planes passing through the luminous source of the sector light and within which a light of a given character is visible. (Fig.45)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
