Up for sale here is this used vintage Collins Magnetic Reactor transformer.  I don't know what this goes to specifically, but if you recognize it please let me know.  This is used with moderate wear and is guaranteed to work.  Please see my pictures for details.

US shipping and handling is $10, and international is $28.  If you have any questions, please ask.

I have more transformers and other vintage electronics listed--feel free to take a look!