Open figure viewer
Keywords:
COAL,
CUTTING,
MACHINERY,
MACHINES,
MINING,
GEARING,
UNDERCUTTING,
ELECTRIC,
CABLES,
ELECTRICITY,
SAFETY,
PNEUMATIC,
MOTORS,
LONGWALL,
MINES,
CUTTERS,
PERCUSSION,
USA,
UK,
UNITED STATES
This content is only available via PDF.
© Thomas Telford and ICE
1901
You do not currently have access to this content.
