Discussion on "The long-distance telephone system of the United Kingdom"

J.A. Fleming, A.J. Stubbs, R.L. Jones, J.E. Kingsbury, P.E. Erikson, F. Tremain, F. Gill, G.C. Marris, E.H. Shaughnessy, S.M. Catterson, F. Jacob, H.F. Kortheuer (+25 others)
1921 Journal of the Institution of Electrical Engineers  
doi:10.1049/jiee-1.1921.0027 fatcat:6qp7j34fdbauvpyjppnnvuzzt4