Cathodes/ rebuild?

[madlabs]

Originally Posted by ppppenguin

@dtryon

It was an EMI tube, potentially to be rebuilt in the US. The EMI company as it now exists has nothing to do with this. AFAIK the project didn't get any further.

You might like to read my 1987 article on the last known rebuild of a pre-war EMI tube: http://www.borinsky.plus.com/vintage_tube.html

Any idea if that jug is still working? Just curious if it held vacuum and such.