2 ▁and ▁No . ▁ 4 ▁on ▁April ▁ 2 9 , ▁ 1 8 6 3 . ▁On ▁December ▁ 2 6 , ▁ 1 8 6 6 , ▁Samuel ▁Thomas ▁and ▁other ▁officials ▁of ▁Thomas ▁Iron ▁char tered ▁the ▁Lock ▁R idge ▁Iron ▁Company , ▁which ▁began ▁building ▁two ▁furn aces ▁at ▁Alb urt is ▁in ▁ 1 8 6 7 . ▁The ▁first ▁furn ace ▁was ▁placed ▁in ▁bl ast ▁on ▁March ▁ 1 8 , ▁ 1 8 6 8 . ▁Lock ▁R idge ▁Iron ▁was ▁bought ▁by ▁Thomas ▁Iron ▁on ▁May ▁ 1 , ▁ 1 8 6 9 , ▁and ▁the ▁second ▁furn ace ▁placed ▁in ▁bl ast ▁on ▁July ▁ 9 , ▁ 1 8 6 9 . ▁This ▁facility ▁had ▁its ▁own ▁small ▁plant ▁rail road , ▁which ▁connected ▁with ▁the ▁East ▁Pennsylvania ▁Rail road ▁( l ater ▁the ▁Reading ) ▁and ▁the ▁Cat as au qua ▁and ▁F og els ville . ▁Two ▁more ▁furn aces ▁were ▁built ▁at ▁H ok end au qua ▁after ▁the ▁Civil ▁War , ▁No . ▁ 5 ▁blow n ▁in ▁on ▁September ▁ 1 5 , ▁ 1 8 7 3 ▁and ▁No . ▁ 6 ▁on ▁January ▁ 1 9 , ▁ 1 8 7 4 . ▁The ▁two ▁Lock ▁R idge ▁furn aces ▁were ▁later ▁ren umber ed ▁No . ▁ 7 ▁and ▁No . ▁ 8 . ▁ ▁After ▁ 1 8 7 4 , ▁the ▁company ▁did ▁not ▁add ▁any ▁further ▁furn aces ▁at