Hallberg, Josef Henrik, 1874- · New York city, The Moving picture world · leaf 182
, as is cus-tomary for direct current projection. The result of thiscondition is that only 50 per cent, of the total illuminationavailable can be used with such carbon setting. MOTION PICTURE ELECTRICITY 175 One might ask the question: Why not put the carbonsin some other position so that both…
Motion picture theaters · Electric lighting
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