toolsandhardware
1928 Ringrose Firedamp Detector Great Britain. Hardsocg Mfg. Co. Ottumwa, IA. Dagostyle Hammer set of 4 hand drill steels. Pigtails used to attached ore buckets to Hoisting Cable. Draeger Oxygen Appartus Co. Model 1910/11 Mine Rescue Helmet. Drill Bit Carrier. Burrell Methane Detector. Mine Hoist Signal Bell.