TY - HOUR CN - alphabetical CY - [Radnor, Pa., ID - 155729 KW - Iron industry and trade KW - Technology KW - Metal-work N1 - Subtitle varies. PB - Chilton Co.] PP - [Radnor, Pa., SN - 0164-5137 T1 - Chilton's iron age. TI - Chilton's iron age. ER -