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56 (LVI) — 1945-1946
Water InfusionùApplication of Wetting Agents, 204.
Weight of Air, 9, 261.
Weight of Coal Calculations, 118, 239.
Weight of Metal Plate, 275.
Wet Cleaning of Coal, 131.
Wetting Agents, Use of, for Airborne Dust Suppression, 258.
Whirling Hygrometer, 23.
Whitmore Overwind Prevention Gear, 35.
Wigan Past and Present Mining Students' Association, 99, 137.
Winding Calculation, 299.
Winding Rope, 183.
Winning and Working, 102, 111.
Wire Ropes, Construction of, 36, 85.
Withdrawal of Steel Props, 84.
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