Bartels, John R.
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. .
90002346
Shuttle cars (Mine haulage)--Motors.
Flywheels
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. .
90002346
Shuttle cars (Mine haulage)--Motors.
Flywheels