Great Britain. Home Office. Electricity in Mines Committee, Great Britain. Parliament, Great Britain. Home Office. Electricity in Mines Committee., & Great Britain. Parliament. (1904). Minutes of evidence taken before the Departmental Committee on the Use of Electricity in Mines: With appendices and index. Printed for H.M.S.O., by Wyman and Sons.

Great Britain. Home Office. Electricity in Mines Committee, et al. Minutes of Evidence Taken Before the Departmental Committee on the Use of Electricity in Mines: With Appendices and Index. Printed for H.M.S.O., by Wyman and Sons, 1904.