The National Coal Board (NCB) Film Unit is one of Britain's most substantial and long-lasting industrial film units. The following is a NCB and Mining Research and Development Establishment film about the Double Ended Buttock Shearer. Title - National Coal Board M.R.D.E Bretby Eickhoff EDW 170-LN Double-Ended Buttock Shearer The film opens with a shot of the machine and follows with close-ups of many of its different parts. There is a man who can be seen operating the machine,...

The National Coal Board (NCB) Film Unit is one of Britain's most substantial and long-lasting industrial film units. The following is a NCB and Mining Research and Development Establishment film about the Double Ended Buttock Shearer. Title - National Coal Board M.R.D.E Bretby Eickhoff EDW 170-LN Double-Ended Buttock Shearer The film opens with a shot of the machine and follows with close-ups of many of its different parts. There is a man who can be seen operating the machine, demonstrating its uses. The shearer can be seen in use going through different types of soil materials. The film is made up of extensive footage of the machine in use. Title - Note: All subsequent film sequences re shown at half speed. The following titles are followed by the shearer in use at the specified speeds. Title - Drum Speed 60RPM Drum Rotation Floor to Roof Title - Drum Speed 78/RPM Drum Rotation Floor to Roof Title - Drum Speed 95 RPM Drum Rotation Floor to Roof Title - The End.