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39 (XXXIX) — 1928-1929
Hadley's Sextant, 34.
Halesowen Disaster, 296, 313.
Hatfield Colliery Output, 39.
Haulage, 31, 96, 141, 285, 317, 324, 339, 352.
Haulage Accidents, 103, 202, 216.
Heading Machines, Electric, 176.
Headings, Wide Main, 290.
Heat and Its Effects, 118.
Heat and Superheated Steam, 211.
Heat Transmission, 59.
Heating Coal in Storage, 33.
Hednesford's Successful Session, 1, 105.
Heroism, Awards, 103.
History, Repeating Itself?, 21.
Hodges, L. C, Tribute, 296.
Holland, Sir Thomas H., 73.
Horden Collieries, 373.
Horizontal Distances, Determining, 240.
Horses in Mines, 67, 135, 171.
Hours of Labour, 96.
Hygrometers, 26, 36.
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