Cawley, James C. <br/><br/>
A statistical determination of spark ignition safety factors in methane, propane, and ethylene mixtures in air / 
by James C. Cawley. 
 - Pittsburg, Pa. (Cochrans Mill Rd., P.O. Box 18070, Pittsburgh 15236) :  U.S. Dept. of the Interior, Bureau of Mines,  1986. 
 - 15 p. :  ill. ;  28 cm. 
 - Report of investigations ;  9048 .
 - Report of investigations (United States. Bureau of Mines) ;  9048. .
<br/><br/>Bibliography: p. 15. 
<br/><br/><label>LCCN: </label>86600190  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric apparatus and appliances--Safety measures.<br/>Mining machinery--Electric equipment--Safety measures.<br/>Mine gases--Safety measures.<br/>Electric discharges.
<br/><br/><label>LC Class. No.: </label>TN23  TK152  / .U43 no. 9048 
<br/><br/><label>Dewey Class. No.: </label>622 s  621.31/042 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23:9048.