(Unseen Guardians)

Content: The "unseen guardians" of the title are the Postal Inspection Service, which investigates mail order racketeering; the Underwriters' Laboratories, which are shown testing electrical equipment, fire extinguishers, and large floor safes; and those who run orphanages, who assure that the children in their care are placed in proper adoptive homes.

Countries:

United States of America

Genres:

Documentary,

Drama

Runtime:

11 minutes

Year:

1939

Directors:

Basil Wrangell

Production companies:

Metro-Goldwyn-Mayer

Actors:

Narrator

Mail Order Crook

Leading Actress

Crews:

Director

Writer

Writer

Editor

Cinematography