Oh say, can you see?

Caption: "Oh say, can you see?--If you are subject to night blindness, ... this machine will tell the story. It is the biophotometer which Leon S. Dorfman and Bernard Friedman, science teachers at Fort Hamilton High School [located at 8301 Shore Road], constructed out of scrap material in the school laboratory. Marion Viladesan and Joseph Cutri, juniors, are giving the device a try-out;" large chart in background.