[time-nuts] Ancient OCXO in scope calibrator.

[John Miles]

> 
> > How's the filament voltage at the 7587 socket, by the way?  A shorted
> > turn in your power transformer might account for some lack of
> > enthusiasm on the Nuvistor's part. 
> 
> I'd expect a shorted turn on a power transformer to let the smoke out.
> 

Depends on a lot of things, but yes, usually. :)

-- john, KE5FX