Retro-Reflecting Material
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2-6-275
A material which produces reflex reflection (2-1-155) over a wide range of angles of incidence of a light beam, by the use of a large number of very small reflecting and refracting elements, usually very small beads.
The applications are the same as those of retro-reflectors (2-6-270).
(Fig. 7d)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
