A talk by Dr. Brown.

Duration: 2:00

Year Published: 1958

Format: 16mm

Sound: sound

Description: P: Preservation Material MULMIX: Multiple codes are applicable (See Notes) AC: Acetate A: 400' 16/8/9.5mm 16mm Color Sound 200 Calvin Productions, Inc.

2 users have this film:
Library of Congress, Prelinger Archives

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