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DiscussionSchuster, A.; Longridge, M.; Wordingham, C. H.; Mond, Robert; Cooper, W. R.; The President, ; Pendred, L.; Worthington, Edgar; Thuman, F.; Scott, G. Shaw; Spiers, F. S.; Gregory, R. A.; Pearce, J. G.; Keane, Charles A.; Peakman, Percy; Wright, Thomas; Spielmann, Percy E.; Tripp, E. H.; Tunstall, John O.; Knobel, E. B. · Transactions of the Faraday Society · 1919