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56 (LVI) — 1945-1946
D Slide Valve, 183.
Decimal Fractions, 255.
Delay Action Detonators, 236.
Detaching Hook Hinge Pin, 85.
Detecting Firedamp, 190.
Detonators Sectional Views, 310.
Detonators, Fuse and Squibs, 219.
Developing Heading, Conveyor Suitable for, 58.
Direct-acting Pump, 197.
Direction of Throw, 304.
Distance, Representation of, 230.
Distances, Measurement of, 229.
District, Examination of, 105.
Divisional Inspectors Reports, 4, 31, 284, 289.
Dobbie, B.Sc, A.R.C.S., Mr. James, Retires, 132.
Drawing Instruments, Use of, 266.
Drifting, 308.
Drifts, Ventilation of, 253.
Drilling Gear for Prospecting, 71.
Drilling Shot-holes in Longwall Face, 274.
Driving Heading with ArcWall Machine, 58.
Dust Formation, Minimising, 106.
Dust Trap, 108.
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