[Milsurplus] subminiature tubes question

[Bob Camp]

Hi

In terms of number of tubes produced I think it's pretty clear that the 
winner is "almost all".  In addition to the stuff we normally think 
about using these little things also add to the list:

Sonabouys
Proximity Fuses, both in shells an bombs
Hearing aids

I suspect that the first categories each used more sub min tubes by 
them selves than all the military radios did. Given the cost drivers on 
that stuff I'm sure they went with filament tubes rather than the more 
expensive heater type. No need to spend that extra dime .....

Anybody out there with a proximity fuse collection care to comment ?

	Enjoy!

		Bob Camp
		KB8TQ




On Jul 19, 2004, at 9:13 PM, aGEnuine Ham wrote:

> Were all subminiature tubes filament type?  Almost all?  Almost none?
>
> Just thought I would throw that last one in to see if anyone was paying
> attention.
>
> 73,
> George
> W5VPQ
>
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