Marconi DF Unit -  Circa 1919

 
1919_df_unit.jpg
The photo came from a a UK journal called THE ENGINEER and dated 17th October 1919. It was simply reported as a Marconi Marine Direction Finder.


Contributors and Credits:

1) DF unit image provided by John Wise <jaceywise(at)apple15.freeserve.co.uk>

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Oct 25/12