Search Results       Your search for [author]Penman, David returned 1 record.           The principles and practice of mine ventilation; being a treatise on modern methods of mine ventilation, with a consideration of deep mining problems, explosions, fires, rescue and recovery work and cognate subjects. by Penman, David; London: Griffin, 1957. Subject: Mine ventilation; Coal mines and mining -- Safety measures.          Add to Book Cart Relevance: 16.43%