OT Don't read this (was Re: Altair MBL source)

[John Honniball]

William Donzelli wrote:
> Certainly, multifunction tubes were around - the first ones were the dual
> diodes and rectifiers of the 1920s, then later twin triodes, extra diodes,
> and yes, to the ultimate Compactrons.

I've just remembered that Magic Eye valves/tubes have (I think)
an amplifying triode in the same envelope as the indicator.  And I
think they're internally linked together.  Does anyone have any
data on these gadgets that would show this sort of information?

-- 
John Honniball
coredump at gifford.co.uk