| http://www.w3.org/ns/prov#value | - sembly removably coupled to the front end of the case, said assembly including a tubular mounting supporting a lens, and a light bulb disposed in the mounting whose center terminal engages the negative pole of the battery cell and whose base terminal is connected to a movable contact such that when the assembly is rotated to a given angular position, the movable contact engages the fixed contact t
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