Systems In Our City: Electricity

Duration: 42 fr

Year Published: 1969

Creator: McGraw-Hill Films & University Films

Format: Filmstrip

Color: Color

Copyright: Registered 25Apr69 · JP12419 (Jul-Dec 1970) Copyright holder: McGraw-Hill, Inc

No holdings listed.

No related films.

Record added: 2026-06-28T20:20:34Z