Moving Image:Electricity
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this one is haunted 70890 191
https://media.dlib.indiana.edu/media_objects/gm80jb991
https://purl.dlib.indiana.edu/iudl/media/d76r968w7m
Shows many common electrical appliances that help to do hard jobs with less work, uses a model to help explain the function of a generator and turbine, explains the role of a motor, shows how switches control electrical systems, explains how electricity is conducted, and emphasizes the contribution of electricity to our comfort.