Difference between revisions of "Primary Light Source"
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Revision as of 10:01, 1 March 2009
2-3-000
A surface or object emitting light which is produced by a transformation of energy. The surface or object may at the same time emit invisible radiation.
Reference: C.I.E. (modified)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
