Re: Cranking up an old Westrex horn

>    Out of curiosity are there serial numbers and ink-stamped
> manufacturing dates on your 555s?  I'm trying to get a handle on
> production figures and dates.
> 
> Cheers, Alan

This is slightly off-topic, but I've been trying to identify
characteristics of two Western Electric transformers-- one labelled
"output transformer KS-8858," the other just "SP-1007."  Any ideas?

Chris Campbell