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51 (LI) — 1940-1941
Gas Calculations, 220.
Gas Emergency, 15.
Gas Ignition in Overcut, 359.
Gas Producers, 181.
Gaseous Impurities, 78.
Gases, etc., 125, 333.
Gassy Mine Defined, 395.
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51 (LI) — 1940-1941Gas Calculations, 220. Gas Emergency, 15. Gas Ignition in Overcut, 359. Gas Producers, 181. Gaseous Impurities, 78. Gases, etc., 125, 333. Gassy Mine Defined, 395. |
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Copyright © 1999-2024 by The Durham Mining Museum and its contributors Registered Charity No: 1110608 Page last updated: 15 Oct 2017
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