Microphone speaking

Teaches the proper use of microphones in public address systems and radio. The microphone can be a help or a hindrance, depending upon how the speaker uses it. How would Lincoln’s Gettysburg Address have gone over if he had been constantly interrupted by feedback?

Copyright

Sources

  1. 16mm Filmography (legacy record) — title, description, catalog record
  2. U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright