Miners Circular 30-42- Sold only by the Superintendent of Documents, U. S. Government Printing Office Washington, D. C. UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON What the self-rescuer is__ CONTENTS How the self-rescuer is made. How the self-rescuer operates_. Men wore self-rescuers in carbon monoxide to test them....... About 14 lives saved in an Alabama coal mine---- How to use the self-rescuer.. How not to use the self-rescuer_. Underground safety systems for distributing self-rescuers.. Group distribution___. Caches in the ribs--- Caches in first-aid stations_. Single distribution Check system---- Individual system- The miner's interest in his self-rescuer.... ILLUSTRATIONS 3. Details of the permissible carbon monoxide self-rescuer_ 4. Skeleton map of Penelec Coal Corporation No. 5 mine, Indiana County, Pa., showing location of groups of self-rescuers_-_ 11 5. Miner breaking glass in trapdoor of case where self-rescuers are stored, Penelec No. 5 mine___. 6. Details of the case for storing self-rescuers, Penelec No. 5 mine----7. Miner opening large door of self-rescuer case, Penelec No. 5 mine----8. Miners opening metal cases of their self-rescuers, Penelec No. 5 mine__ 9. Miner wearing a self-rescuer taken from the cache, Penelec No. 5 mine-... 12 13 14 14 15 10. Mine superintendent entering an underground first-aid station, Penelec No. 5 mine____. 16 11. Opened case for self-rescuers and all-service gas masks, Penelec No. 5 mine..... 16 12. Situation of miners' self-rescuers in necks of rooms being worked in a section of Creighton coal works---- 17 13. Miner taking self-rescuer in its wood and glass case from hole in pillar at room neck, Creighton coal works_ 18 14. Self-rescuers for machine operators, carried in wood and glass cases in tool box of machine, Creighton coal works--- 19 M145324 |