Signal generator operation.

Duration: 9 min

Year Published: 1945

Creator: Burton Holmes Films (Chicago Ill.)

Format: 16mm

Color: B&W

Sound: sound

Description: A: Access CP: Composite Positive AC: Acetate A: 400' 16/8/9.5mm 16mm Black & White Sound Burton Holmes Films (Chicago, Ill.) United States. Office of Education

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

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