This photo shows the Technical Room (now Government Documents) on the second floor of Central Library after installation of new hanging lights. It was taken at night facing north, and the mezzanine level can be seen on the left. Long reading tables with chairs stand in a row down the center of the room, which has a cork tile floor. Transcribed from back of photo: '12 KW was 2 KW. Now 22 foot candles on floor. 30 foot candles on balcony - was nil. July 1939. Central - Periodicals'.