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57 (LVII) — 1946-1947
Balance Brow Haulage, 169.
Balanced Sights, Levelling, with, 265.
Balancing End Thrust, 300.
Barometers, Aneroid and Mercurial, 97.
Bernoulli's Theorem, 278.
Bevelled Wheels, 72.
Bimetallic Strip Thermostat, 92.
Biram Anemometer, 158, 211.
Blackdamp, 45.
Blowers and Outbursts, 49.
Boiler Feed Water, Composition and Qualities, 15.
Boiler, Introducing Water into, 15, 132.
Boiler-House Instruments, 87.
Book Reviews, 60, 63, 76, 103, 114, 165, 196, 209, 223.
Booster Fan, Installation, 124.
Boyle's Law Apparatus, 111.
Brake Pulley, 169, 197.
Break Detector, 191.
Breaking Down Coal by Coalburster, 23, 58, 263.
Breathing Apparatus, 124, 259.
British Coal Mining in 1945, 101.
British Jeffrey Diamond Works, Students' Visit, 19.
Bryson, Mr. T., 187, 233.
Butterly-Abbott Telescopic Prop, 214.
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