Breaking up of rock and the like
Brush type high velocity air-fuel burner
Bucket connection for a continuous excavating apparatus
Bucket wheel assembly
Bucket wheels and bucket wheel reclaimers
Bucket-wheel for bucket-wheel excavators or the like
Bucketwheel excavator
Carbide block and sleeve wear surface
Carbide tip and pick
Carriage especially for use in mines
Carrier for a bend-forming conveyor
Catch basin excavating machine
Chainless feed system of mining cutter-loader
Coal combine
Coal cutter
Coal cutting and loading machine
Coal cutting and loading machine
Coal cutting machine
Coal cutting machine
Coal cutting machine