Difference between revisions of "Sector Angle"
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The horizontal angle subtended by a sector of a sector light. (Fig.45) | The horizontal angle subtended by a sector of a sector light. (Fig.45) | ||
[[Image:Ch2_Fig45.jpg|400px]] | [[Image:Ch2_Fig45.jpg|400px|border]] | ||
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Revision as of 10:02, 1 March 2009
2-5-225
The horizontal angle subtended by a sector of a sector light. (Fig.45)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)