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39 (XXXIX) — 1928-1929

Earth, Diameter of, 245.

Educated Craftsmen Essential, 199.

Education, Miners', 41, 65, 83, 136, 137, 183, 201, 265, 315, 340, 361, 375.

Edward Medal Awards, 324.

Electric Cap Lamp, 33, 407.

Electric Detonators, 177.

Electric Heading Machines, 176.

Electric Lamps, Design, 151.

Electric Winder Advantages, 123.

Electrical Engineers and Colliery Work, 107.

Electrical Equipment, Safeguarding, 165.

Electrical Researches, 107.

Electrically Driven Locos., 408.

Electricity in Mines, 70, 99, 241, 261.

Electrification in Dust Clouds, 76.

Emergency Doors, 96.

Emlyn Anthracite Colliery, 355.

Empire Congress, 75, 277.

Engines, Air, Freezing in, 355.

Estimates, Coal, 253.

Evans, I., Successful Competitor, 6.

Examination Questions, 11, 196, 214, 388.

Examination Results, 20, 227.

Examinations, Notes, 168.

Exhibition at Manchester, 1.

Exhibition, N.E. Coast, 361.

Explosibility of Coal Dust, 171, 207.

Explosion Experiment, Coal Dust, 3, 20.

Explosions, 142, 148, 317, 337, 353, 379.

Explosions within Closed Vessels, 213.

Explosive, Ideal, 107.

Explosives, 119, 155, 402.

Explosives, Coal-getting Without, 222.

Explosives, Dangers in Homes, 155.

Explosives, Testing, 308.

Exports, Coal, 225, 248, 344.

Eyesight, Miners', 41.