Kenyon mic pre transformer

Hi guys of the forum. I need help identifying and more importantly obtaining specs for a vintage mic transformer. The unit is a 11 pins tube type socket mount and is marked as a Kenyon. I am contemplating building a tube mic pre and a tube compressor (probably Altec or Tubetech).
https://share.icloud.com/photos/0T1j6nYvlHuGlJqEy5LcDcI8w