Great Britain. Electricity in Mines Committee. (1904). Report [and Minutes of evidence, with Appendices and Index] of the departmental Committee on the use of Electricity in Mines: Appointed by H.M. Principal Secretary of State for the Home Department. Presented to both Houses of Parliament by command. H.M.S.O..

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: Appointed by H.M. Principal Secretary of State for the Home Department. Presented to Both Houses of Parliament by Command. H.M.S.O., 1904.