(under subclass 3) Subject matter including two or more light sources, or holders for two or more light sources, or structure adapted to support or move said holders.
(1) Note. This subclass, or those indented thereunder, include structure that facilitate proper orientation for photos:graphic lighting such as rotary indexing mechanisms that may support and impart the desired movement to a support for plural light sources (flashcubes).
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20, for automatic substitution of nonphotos:graphic light sources.
184, for self powered electric lamps with plural lamp bulbs.