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56 (LVI) — 1945-1946
V Notch Liquid Recorder, 100.
Velocity of Air in Airway, 22.
Velocity Ratio of Lifting Gear, 263.
Ventilating Pillar and Stall District, 238.
Ventilating Tunnel, 261.
Ventilation of Drifts, 253.
Ventilation Survey, 71, 241.
Ventilation, Mine, 26, 121, 140, 208, 225.
Volume of Solids, 210, 222.
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