title: The reversal of 16 mm. positive film or movies for approximately a cent and one half per foot.1933.
authors.affiliation: Kankakee X-ray and Clinical Laboratories, Illinois.
authors.forename: E J
authors.initials: EJ
authors.lastname: Roy
mesh_terms: D001695:Biology / Q000266:history; D049673:History, 20th Century; D009040:Motion Pictures / Q000191:economics / Q000266:history*