[Milsurplus] Doubting the Foxhole Radio, conclusions
KD7JYK DM09
kd7jyk at earthlink.net
Fri Aug 3 20:21:07 EDT 2012
: You got it almost right Kurt, however they were coherer receivers. There
: were of course a lot of others tried, but, the Fleming valve came on the
: scene pretty early as did deForest inserting a grid in it.
I think you are refering to the other guys comments. I'm talking about
coherers used a few decades before valves were even imagined.
Kurt
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