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38 (XXXVIII) — 1927-1928
Dams, Strengthening, 126.
Davies, Hy., Retirement, 11.
Dawson, Dd., Retirement, 341.
Dealing with Gas, 189.
Deaths in 1927, Number, 257.
Decking, Simultaneous, 157.
Deep Mines Problems, 34, 396.
Deep North Country Shaft, 224.
Deepening Downcast Shaft, 256.
Detonators, Act and, 381.
Diamond Boring Plant, 47.
Differential Levelling, 2.
Dimensions of Haulage Plant, 129, 146.
Direct Delivery of Coal, 72.
Dominion Colliery, Cape Breton, 57.
Doncaster Mining Society, 97.
Door, Galloway's, 141.
Doors, Life-saving, 224, 412.
Draw-bar and Coupling, 382.
Drift Theory, 207.
Drill Dust, Spraying, 127.
Drilling and Hoisting Power, 283.
Driving Wheels, Endless Haulage, 102.
Dumpy Level, 2, 18.
Duralumin, Tubs Made of, 400.
Durham, Correlation of Seams, 204.
Durham's Deep Shaft, 395.
Dust Clouds, 25.
Dust, Atmospheric, Sampling, 133, 320.
Dustless Air, 20.
Dynamics, 65, 84, 100, 346, 356.
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