I Have some Iron that was handed down to me. I'm in need of some ID's for it. Any help would appreciated. UTC # S-20,S-29,S-34,S-37,S-38,CG-40 Thordaron # T-46206,T44973,T46208,T-46092 Chicago Transformer Division # 3C317-38 or 7410-B Regards,ROCK