[NJARC] More Dutch radio history

[Alex Magoun]

Nice page on the first pentode with another great photo:
www.100jaarslim.nl/tijdlijn/1926-1930

Plus another on first TVs in the Netherlands, with several photos:
www.100jaarslim.nl/tijdlijn/1946-1950

Use Google Translate as necessary,

Alex
~~~
Alexander B. Magoun, Ph.D., Outreach Historian
IEEE History Center
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