The investigation of mine air : an account by several authors of the nature, significance, and practical methods of measurement of the impurities met with in the air of collieries and metalliferous mines / edited by Clement le Neve Foster and J.S. Haldane.

  • Foster, Clement le Neve, Sir, 1841-1904.
Date:
1905
Catalogue details

Licence: In copyright

Credit: The investigation of mine air : an account by several authors of the nature, significance, and practical methods of measurement of the impurities met with in the air of collieries and metalliferous mines / edited by Clement le Neve Foster and J.S. Haldane. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

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    Air Otherwise expressed. [ Oxygen Carbonic acid ( Nitrogen Black-damp { Fire-damp Car])onic acid 20-34 I 0-03 } 76K1 ) 1 -895 0-27 97-18 2-17 0-G5 100-00 In these analyses the percentage composition of the black-damp was— No. 1. No. 2. Nitrogen .... 87-6 87-3 Carbonic acid . . .12-4 12-7 3. Oas issuing through a Pipe from Old Workings, Hamstead Colliery, South Staffordshire. Oxygen . , . .3-35 Carbonic acid . . . 5*25 Nitrogen .... 84-03 Methane . . . .7-33 Carbonic oxide . . . 0-04 100-00 Air / Oxygen ( Nitrogen Otherioise expressed. Nitrogen Black-damp > , . ., ^ I Carbonic acid Fire-damp (CH^) Carbonic oxide 3-35 12-65 71-38 5 -38 ( •25 I 16-00 76-63 7-33 -04 100-00 4. Air from Main Return, same Colliery Oxygen .... 20-55 Carbonic acid . . . 0-13 Methane .... 0-06 Nitrogen , . . .79-26 100-00