A measure of understanding.

Duration: 10:00

Year Published: 1970

Format: 16mm

Sound: sound

Copyright: Registered 5Aug70 · LP38460 (Jul-Dec 1970) Copyright holder: Roundtable Productions, Inc

Description: P: Preservation Material NT: Negative Track B: 800' 16/8/9.5mm 16mm Color Sound 1000 Arthur Swerdloff Director: Arthur Swerdloff McGraw-Hill Text Films

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