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40 (XL) — 1929-1930
Talygarn's Fire Equipment, 341.
Technology, Electrical, 99.
Terminology, in Research, 229.
Testing Coal Dust, 163.
Thomas, Wm. Ll., 42.
Three-phase Induction Motors, 18.
Timber Preservation, 385.
Timber, Preparing, 77.
Timbering, 12, 397.
Timbering Device, 348.
Timbering in South Wales, 341.
Timbering Roadways, 237.
Timbering Rules, 58.
Tram Shackles, 255.
Transport of Coal, 290.
Transport, Underground, 90.
Transvaal, Coal in, 340.
Trap Doors, 140.
Trees on Waste Land, 343.
Tributes to Rescuers, 21, 97, 171, 181, 195, 245, 264, 327.
Trough Washers, 364.
Tub Bearings, 399.
Tubbing, Repairing Section, 111.
Tubs, Handling, 310.
Tunnel, Length, etc., 14.
Turner Retort, 265.
Turner, Ben, Secretary for Mines, 12, 23, 53, 81, 172, 215, 229, 235, 345.
Tyne Coal Shipments, 1.
Tyne Dock Charges, 327.
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