Image Item No. Description  139-1  (Instructions) for Electronic Control Unit (Forward/Backward - Stop) Catalog: Instructions: Train: Supplemental: 4.5V  139A-1  (Instructions) for Electronic Control Unit (Forward - Stop) Catalog: Instructions: Train: Supplemental: 4.5V  157-2  (Instructions) for Automatic Direction Changer Catalog: Instructions: Train: Supplemental: 4.5V  158-1  (Instructions) for Railroad Crossing Gate Catalog: Instructions: Train: Supplemental: 4.5V