Kниги автора James Thom Beard

Mine Gases and Explosions: Text-Book for Schools and Colleges and for General Reference

Mine Gases and Explosions: Text-Book for Schools and Colleges and for General Reference

Mine gases and explosions; text-book for schools and colleges and for general reference

Mine gases and ventilation; textbook for students of mining, mining engineers and candidates preparing for mining examinations designed for working . as they relate to the safe and effecien

Mine gases and ventilation; textbook for students of mining, mining engineers and candidates preparing for mining examinations designed for working . as they relate to the safe and effecien

Mine gases and ventilation; textbook for students of mining, mining engineers and candidates preparing for mining examinations designed for working . as they relate to the safe and efficien

Mine gases and ventilation; textbook for students of mining, mining engineers and candidates preparing for mining examinations designed for working . as they relate to the safe and efficien

Mine gases and ventilation; textbook for students of mining, mining engineers and candidates preparing for mining examinations designed for working out the various problems that arise in the practice of coal mining, as they relate to the safe and effecien