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.
Genre:
Documentary, Drama
Year: 1939
Country:
United States of America
Release:
Language:
Director:
Basil Wrangell