Penman, David <br/><br/>
Principles and practice of mine ventilation: being a treatise on modern methods of mine problems explosions, fires, rescue, and recovery work and cognate subjects  David Penman, J.S. Penman. 

 - 2nd ed. 
 - London  Charles Griffiut Company Limited  1947 
 - xi, 337p.: ill. 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mine management Mine safety  Industrial safety  Mine accidents. 
<br/><br/><label>Dewey Class. No.: </label>622.4  / P34P