In article ,
Terry Casey wrote:

This was a standard test during the experimental stereo
broadcasts of the 1950s on Saturday mornings that used BBC
TV sound for one channel and the Third Programme for the
other.

And not a brilliant one given most used entirely different amps and
speakers for each channel. ;-)

Ping pong sort of worked, though.

--
*I used up all my sick days so I called in dead

Dave Plowman London SW
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