Another great video, again in Swedish
This video is nice and short, although unfortunately in Swedish.
Here are some videos of the last remaining and still fully operational Alexanderson system in operation today in Grimeton, Sweden. It's was built for operation with RCA's Radio Central system in Rocky Point, New York. High power vacuum tubes, developed by GE's scientist Langmuir combined with the oscillation circuit of Armstrong, made these systems obsolete virtually as soon as they went into operation.
This video has some really great camera work and is in German. There are two parts and there is a little bit of historical footage.
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