Came upon this on Evilbay. I've never seen one. ?????
http://www.ebay.com/itm/LGB-Steger-Transformer-07-007-/261382724579?pt=Model_RR_Trains&hash=item3cdb9fdbe3
http://www.ebay.com/itm/LGB-Steger-Transformer-07-007-/261382724579?pt=Model_RR_Trains&hash=item3cdb9fdbe3