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54 (LIV) — 1943-1944
Efficient Operation of Air Compressors, 221.
Elasticity, 112.
Electric Bell, 298.
Electric Currents, Production of, 113, 190.
Electric Lighting, Future of, 283.
Electrical Terms, 59, 103.
Electricity Underground, Precautions, 81.
Enclosures, Area of, 78.
Endless Rope Haulage, 217, 234, 241, 243.
Energy, 17, 294.
Enlarging Haulage Road, 33.
Examination Notes, Surveyors', 4, 151, 301.
Examination Questions, 52, 63, 84, 209, 218.
Examinations, Board for, 66, 216.
Examinations, Managers' Notes, 14, 26, 37, 160, 170.
Examining Working Place, 57, 201.
Exploders, 155.
Explosive, Permitted, Composition and Characteristics, 239.
Explosives in Coal Mines Order, 87.
Explosives, Distribution, 225.
Explosives, Sheathed and Permitted, 128.
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