When did Horizon Season 12 Episode 19 air?
Horizon Season 12 Episode 19 aired on July 7, 1975.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 12 · Episode 19
The Greatest Advance Since the Wheel?
Jul 7, 1975·1h
Horizon reports on the history of superconductivity, from discovery, to the present.
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How long is Horizon Season 12 Episode 19?
This episode runs for approximately 60 minutes.
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