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55 (LV) — 1944-1945
Lancashire Man-riding Haulage Practice, 288.
Lang's Lay Haulage Rope, 46.
Lap Winding, 135.
Latent Heat, 302.
Least Common Multiple, 145.
Length of Coal Face, 299.
Length of Rope, 118.
Level of Water in Boiler, 155.
Levelling, 267.
Lever, Length of, 285.
Lifting Load, 21.
Liquids, Mechanics of, 50.
Load on Beam, 177.
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