The Internet Archive has a preservation copy of this work in our general collections.
J.E. Kingsbury, F. Gill, A. Whalley, M.S. Conner, R. Scruby, D.H. Kennedy, T. Holme, A.L. Stanton, W. Aitken. "Discussion on "Automatic telephone exchange systems"." Journal of the Institution of Electrical Engineers 47.210 (1911) 691-708