MICROPHONE SPEAKING.

Copyright

Complete catalog record
MICROPHONE SPEAKING. Centron Educational Films. 15 min., sd., color, 16 mm. © Centron Corp., Inc.; 21Nov69; MP20024.

Related films

Sources

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