[NLRS] 6SS7 tubes

[tosca005 at umn.edu]

On Dec 2 2007, W0ZQ at aol.com wrote:
>>
>>In a message dated 12/2/2007 12:05:17 P.M.  Central Standard Time, 
>>cqbilld at msn.com writes:
>>I'm looking for 6SS7 spare  tubes 
>>
>What's a "tube" ..... like U-tube ?
>
>73, Jon
>W0ZQ  

It's a "hollow-state device", which shares some similarity to, but is quite 
distinct from, the "solid-state devices" that you are more familiar with.

Among other differences, while in use, it glows in the dark.

73 de WØJT