Discussion on "Electricity applied to mining"

C.H. Merz, S. Evershed, W.J. Larke, W.R. Cooper, J.W. Holliday, H.M. Sayers, E.T. Driver, L.B. Atkinson, C.P. Sparks
1915 Journal of the Institution of Electrical Engineers  
doi:10.1049/jiee-1.1915.0026 fatcat:bxuum7mqprdjlbnt5my2rlgmvy