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| Colliery Engineering | June, 1955 |
Drainage and Utilisation of Firedamp
Drawings and Photographs accompanying the article
Fig. 10 — The gas-flow meter
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Fig. 10 — The gas-flow meter
Image Reference: L-00530-03-0065-F10
Article reproduced from a copy of the magazine held at National Mining Museum Scotland, Newtongrange, Midlothian.
Contains public sector information licensed under the 
