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36 (XXXVI) — 1925-1926

E.C.M.O. Amendments, 126.

Early South Wales Mining, 156.

Earth Tremors and Falls, 104, 371.

Earthing, 205.

Economises, 324.

Education, Miners', 28, 65, 87, 101, 113, 128, 131, 139, 149, 160, 161, 164, 177, 209, 219, 225, 235, 241, 247, 268, 292, 316, 336, 377, 394.

Edward Medal Awards, 225.

Efficiency, Steam, 114.

Electric Ignition of Firedamp, 324.

Electric Power, 420.

Electric Safety-lamps, 153.

Electric Stations, Output, 200.

Electrical Accidents in Mines, 42, 54.

Electrical Apparatus, Flame-proof, 396.

Electrical Equipment: Maintenance, 42.

Electrical Exploders, 138.

Electrical Storage Battery Locomotives, 380.

Electricians' Duties, 144.

Electricity in Mines, 315.

Electro-pneumatic Machinery, 145.

Element, Human, in Mines, 106.

Elliott Washer, 383.

Engine Speed, 298.

Enlarging Shafts, 38.

Enrichment of Coal Gas, 89.

Entombed Miner's Visions, 219.

Equilibrium, 165.

Equilibrium of Rigid Bodies, 120.

Equipment and Output, 155.

Equipment, Steam Winding, 256.

Equivalent Orifice, 40.

Errors in Levelling, 129.

Evans, D. M., Presentation, 329.

Evolution of Coal-cutter, 330.

Examination Questions, 10, 21, 37, 250, 260.

Examination Results, 29, 245.

Examinations : Notes on Answers, 164, 183, 336, 346.

Examining and Testing Coal, 334.

Explosion, Restoration Work After, 15.

Explosions in Mines, 253.

Explosions, Coal Dust, 27.

Explosions, Firedamp, 27, 196.

Explosives : Canadian Notes, 362.

Explosives in Mines, 4, 101, 127, 186.

Explosives, Pressure Wave, 292.

Explosives, Substitutes for, 216.

Exports, Continental, 71.