SCIENTIFIC INSTRUMENTS AND APPLIANCES (except Electrical)-continued. *Cinematograph Films Blank Film Positives, i.e., films containing a picture for exhibition, whether developed or not Negatives, i.e., films containing a photograph, whether developed or not, from which positives can be printed Linear feet 7,991,463 2,539,866 6,668,508 28,699,055 7,046,067 23,357,604 3,994,721 1,304,068 1,504,780 18,504,917 5,212,736 6,935,717 |