1 Season
5 Episode
Watch Operation «Helium» - Season 1 for Free: How to Stream the Serie Online
How to Stream Operation «Helium» - Season 1 Serie Online for Free? On the example of the history of the discovery of the "solar substance" Helium, the history of the most important discoveries in the field of physics and chemistry of the early XX century is given.
- Year: 1993
- Country: Soviet Union
- Genre: Documentary
- Studio: Central Television USSR
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- Director: Semyon Raytburt
- Cast: