(under subclass 180) Subject matter including means for changing from one type of illumination means to another.
(1) Note. A camera capable of alternatively using a percussive flash or electrically activated flash, or a flash unit capable of using two forms of flash bulbs, is proper for this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
, FOR 787, for a foreign art collection involving a convertible artificial illumination source and camera synchronizing.
SEE OR SEARCH CLASS
362, Illumination,
7, for a convertible photos:graphic lighting device.
