FREE MOVIE · LIBRARY OF CONGRESS

Facts about film

"Shows the harmful effects on 16mm film of improper projector cleaning, film threading, film rewinding and placement of film in can."--NICEM index to 16mm educational films.

Public domain — the Library of Congress knows of no copyright restrictions for this film. Source: Library of Congress, National Screening Room · archive record. Video streams straight from the archive; PatchTV does not host or relay it.