SBC6120 (a build-it-yourself PDP-8 clone) grammer checked

Tony Duell ard at p850ug1.demon.co.uk
Mon Jun 19 16:11:42 CDT 2006


> > I beleive the origin of the term 'valve' goes back to the diode, by 
> > analogy with the one-way valve on a tyre or something like that.
> > 
> 
> I seem to remember reading somewhere that Fleming introduced the term
> around 1904 for exactly that reason.

I beliece the original term was "Fleming's Oscillation Valve", as in a 
device that let oscillations of one polarity through, and blocked the 
ones of the other polarity.

Then of course there was the 'Audion Bulb' (an early name for the triode).

-tony



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