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Great Britain. Electricity in Mines Committee.
Report [and Minutes of evidence, with Appendices and Index] of the departmental Committee on the use of Electricity in Mines
![Report [and Minutes of evidence, with Appendices and Index] of the departmental Committee on the use of Electricity in Mines](https://s3.amazonaws.com/readfeedstatic/book_covers/thumbnails/rf-placeholder.png)