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47 (XLVII) — 1936-1937

East Midlands Coalfield, 187.

Echoes of 19th Century, 353.

Economiser Problems, 98.

Electric Arcs, Ignition, 81.

Electric Lamp Maintenance, 171.

Electric Lamps, 317, 353.

Electric Signalling, 400.

Electrical Engineers Looking Ahead, 134.

Electrical Power, 360.

Electrical Principles, 328.

Electrical Problems, 138, 393.

Electrical Resistance, 337.

Electrical Rules, Interpretation, 309.

Electrical Terms, 14.

Electrical Transmission Problems, 393, 401.

Electricians Commission Evidence, 198.

Electricians Status, 120.

Electricity and Shot-firing, 53.

Electricity Hazards, 147.

Electricity in^Mines, 123.

Electricity, Accidents due to, 405.

Electricity, Recommendations, 219.

Engines, Efficiency of, 190, 305.

Examination Results, 19, 268.

Examinations, Managers', Notes on, 70, 90, 106, 122, 289, 314.

Examinations, Surveyors', Notes on, 66, 273.

Explosion and Fire Precautions, 105.

Explosions, Coal Dust, 65, 138, 207.

Explosions, Electrical Causes, 389.

Explosions, Factors in, 40.

Explosive, Products from, 403.

Explosives and Blasting, 42, 54, 68, 84, 114, 129, 162, 185.

Explosives and Substitutes, 184, 381.

Explosives in Coal Mines, 69, 83, 85, 105, 211, 231, 387.

Explosives, Sheathed, 81, 179.

Exports and Home Coal, 66, 88, 117.