Electricity and heat

The heating effect of an electric current is shown to be a clue to agitation of the aubital electrons; the difference between series and modern applications of electric heating are demonstrated.

Credits

Directed by
Langton Gould-Marks

Sources

  1. 16mm Filmography (legacy record) — title, description, catalog record
  2. Wikidata · Q123304406 ↗ — year, creator, country, credits