Luminous beam

From International Dictionary of Marine Aids to Navigation
Revision as of 11:00, 1 March 2009 by Oferiks (talk | contribs) (1 revision)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

2-1-085

(Luminous) Beam

Alternative term: (Light) Beam

A group of rays emanating from a light source, and in general from an optical device.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)