[Amps] OT: Can someone ID this tube and its use ?

[Pete Lancashire]

I'll see what I can do, I'll take one home this Saturday
and post/new picts.

BTW next public sale is the 11/12th. Will be lots of new
pictures taken this coming Sat/Sunday.

http://petelancashire.com/stuff
http://petelancashire.com/gallery/main.php?g2_itemId=6235
http://petelancashire.com/gallery/main.php?g2_itemId=6619


-pete

>> > How about a picture of the bottom of the tube - it looks like either a
>> > 3-400, a 4-400, or a 3-500.
>> >
>> > Try fogging the side of the envelope with your breath - sometimes
>> that'll
>> > bring out a faded number.
>> >
>> > 73, Pete N4ZR
>
> I believe one of the tubes that is reminding me of ended with a "C"
> like 4-1000C for example. One of their old catalogs from the 80's
> like I have in Indiana would have some decent photos to refer to.
>
> Along with Pete's idea of fogging it, sticking it in the deep freeze
> before doing that to reveal faded numbers will also help to bring out
> the contrast in the "fog"
>
> 73,
> Gary
> KA1J
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