[BC] Lee de Forest

[COURYHOUSE at aol.com]

I too remember 'pentigrid converter'
 
but bi also remember   Armstrong  could   tell you how  the triode and  the regen  word and old  Lee  was   pretty clueless by comparison...   or  so it  goes.,..
Ed#
 
In a message dated 6/25/2012 7:05:03 P.M. US Mountain Standard Time, jpotter at jpotter.com writes:
>>He is also the guy who added other grids until eventually the "hexagrid
>converter" was one of his creations. This was used in the "all American
>5-tube" radio that was an industry standard for thirty years.

>I remember it as the 'pentigrid converter' in the All American Five designs.
>Regarsd/J