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| Colliery Engineering | June, 1955 |
Drainage and Utilisation of Firedamp
Drawings and Photographs accompanying the article
Fig. 4 — Fortschritt P.IV/6 drilling machine used for boring drainage boreholes
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Fig. 4 — Fortschritt P.IV/6 drilling machine used for boring drainage boreholes
Image Reference: L-00530-03-0065-F04
Article reproduced from a copy of the magazine held at National Mining Museum Scotland, Newtongrange, Midlothian.
Contains public sector information licensed under the 
