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Kohle
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Ze studjow rad petrograficzna budowa kamiennego
Underground transportation in coal mines
Underground haulage with locomotives and mine cars
Underground haulage with locomotives and mine cars
Trolley wire locomotive haulage
Track brakes for man-riding vehicles
Tonnage raised by adoption of shuttle-car gathering
Todd installation for pulverized coal
Todd installation for pulverized coal
The spontaneous ignition of coal in ships' bunkers
The shipment of coal -- The handcock anti-breaker
The coal fields and seaports of the United States
Stripping employed to start recovery of 20,000 tons per acre
Speed and economy in the shipment of export coal
Shuttle cars from face to intermediate Haulage
Shuttle car haulage in difficult conditions
Shipping coal by the aerial wire rope system at Port Morien, Cape Breton
Shipping coal at Swansea docks
Safety record of coal industry shows improvement despite increasing hazards
Safety problems in connection with operation of rubber-tired shuttle cars
Safety problems in coal mining
Safety of underground transport
Safety aspects of underground transport in coal mines
Railways lack policy toward coal storage development
Pushbutton plant to thaw coal cars is built by Baltimore utility
Pulverized coal trials of S. S. Lorain
Pulverized coal equipment installed on the mercer
Pulverized coal equipment installed on the mercer
Pulverised fuel for locomotives
Powdered coal steam locomotives
Our experience with shuttle car operation
Novel British high-speed bulk shipping plants
New on-track shuttle car boosts loading time at face
Modern loader mining with shuttle cars and conveyor puts Kentucky truck mine in top class
Mechanical coaling stage at Hull North Eastern Railway
Loading coal into railroad cars at mines without using bins
Leistungsversuche an einer Kohlendrehbohrmaschine
Kentucky holds big first aid meet