Bartels, John R. <br/><br/>
Flywheel-powered shuttle car / 
by John R. Bartels, William D. Mayercheck, and Jon A. Hummer. 
 - Washington, D.C. :  U.S. Dept. of the Interior, Bureau of Mines,  1990. 
 - 34 p. :  ill. 
 - Report of investigations ;  9329. .
 - Report of investigations (United States. Bureau of Mines) ;  9329. .
<br/><br/><label>LCCN: </label>90002346  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shuttle cars (Mine haulage)--Motors.<br/>Flywheels