How Machines Help Us.

Duration: 473

Year Published: 1962

Creator: Cenco Educational Films a division of Cenco Instruments Corp.

Format: 16mm

Color: Color

Sound: sound

Description: P: Preservation Material NT: Negative Track AC: Acetate B: 800' 16/8/9.5mm 16mm Color Sound 473 Calvin Productions, Inc. Cenco Educational Films

Complete Record: How Machines Help Us. Cenco Educational Films. 13 Min., Sd., Color, 16 Mm. Eastman Color. © Cenco Educational Films, A Division Of Cenco Instruments Corp.; 14nov62; Mp13061.

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