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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.
Release: Aug 26, 1939
Runtime: 11 minutes
Language:
Studio: Metro-Goldwyn-Mayer
Country: United States of America
