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59 (LIX) — 1948-1949
B.J.D. Trolley Locomotive, 37.
Back Ripping, 81.
Barometer, 214, 238.
Beam Bending Apparatus, 232.
Beams, Bending of, 208.
Beams, Strength of, 231.
Bed of Rock, Thickness, 58.
Bell Signalling Circuits, 243.
Blackdamp, 195.
Blackhall Man-riding Car, 112.
Bloman Apparatus, 231.
Boiler Shell, Thickness of, 107, 286.
Boiler, Efficiency of, 310.
Bold Colliery, Reconstruction of, 271.
Bolt under Double Shear, 287.
Book Reviews, 26, 48, 53, 103, 114, 145, 165, 192, 218, 264, 280, 300.
Boyle's Law, 226, 272.
Breathing Apparatus, 230, 242, 253, 268, 281, 291.
Briggs Equaliser, 242.
British Mining Industry, Reconstruction, 257.
British Standards, 79, 115.
Burnley Mining Society, 84.
Burns, Treatment of, 223.
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