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| Colliery Engineering | October, 1930 |
Improvements at Horden Colliery
Drawings and Photographs accompanying the article
Fig. 4 — Automatic Switchgear for Control of Cleaning Plant
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Fig. 4 — Automatic Switchgear for Control of Cleaning Plant
Image Reference: L-00383-02-0065-F04
Article reproduced from a copy of the magazine held at National Mining Museum Scotland, Newtongrange, Midlothian.
Contains public sector information licensed under the 
