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38 (XXXVIII) — 1927-1928
Velocity of Moving Body, 72.
Ventilating Single Heading, 205.
Ventilation Calculations, 200, 282.
Ventilation Graphs, 258.
Ventilation Laws, 225.
Ventilation Observations, 337.
Ventilation Problem, 45, 334.
Ventilation, Mine, 115, 236, 258, 305, 312.
Ventilation, Natural, 166, 181, 198, 253.
Ventilation, Orifice of Passage, 117.
Ventilation, Power for, 293.
Ventilation, Restoring, 319.
Vertical Shaft, Measuring Depth, 2.
Views and Reviews, 5, 88, 119, 160, 249, 332, 391, 401.
Volcanoes, Ayrshire, 312.
Volume of Air, 82.
Volumetric Calculations, 202, 212.
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