Machines do work.

Duration: 11 min.

Year Published: 1949

Format: 16mm

Color: B&W

Sound: sound

Description: P: Preservation Material NT: Negative Track A: 400' 16/8/9.5mm 16mm Black & White Sound 388 McGraw-Hill Text Films

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Library of Congress

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Original permalink · Record added: 2023-11-08 22:41:31