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60 (LX) — 1949-1950
Calipers, Use of, 34.
Canvas Hose and Breechings, 75.
Carbon Dioxide, 46, 121.
Carbon Monoxide, 46, 245.
Cast-iron Tubbing, 92.
Ceag-Montlucon Methanometer, 260.
Cementation Sinking Process, 253, 265.
Centrifugal Fan, 73.
Charles' Law, 179, 271.
Chief Inspector of Mines Reports, 255, 282.
Circle, 133.
Circular Curve, Construction, 38.
Circular Motion, 87.
Circular Shafts, Sinking of, 139.
Closing Line, Bearing and Length, 18.
Coal Dust, 106, 286.
Coal Extraction Tonnage, 18, 46, 141, 142.
Coal Pillar, Supporting, 35.
Coal Resources, British Empire, 39.
Coal, Bringing Down Methods, 262.
Coal, Tonnage in Royalty, 35, 63.
Coalburster, 81.
Coil Friction, 14.
Competition, Prize, 9, 21, 33, 45, 57, 70, 81, 93, 105, 116, 129, 141, 152, 165, 177, 189, 201, 213, 224, 236, 249, 261, 273, 285, 298, 309.
Competition, Prize, Awards, 301.
Competitor, Successful, 32.
Conduction, 229.
Convection, 229.
Conveyor, Choice of, 118.
Co-ordinates, 172, 204.
Cornish and Corliss Valves, 263.
Correspondence, 290, 309.
Cotton Ropes, Transmitting Power by, 150.
Cross-measure Drift, 84, 254, 266.
Curves, Calculations Relating to, 231, 312.
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