File consists of correspondence between Sir Oliver Lodge and Welby. Topics include: their visit to Lumley; new acquaintance Mr. A. P. Laurie; Welby hosting Romanes, Mrs. W.K. Clifford, Andrew Lang and Edward Stanhope in November 1889; reading Jevon's Principles of Science; the influence of Dr. Hertz, Prof. Fitzgerald, Dr. Joule Thomson, Prof. Glaisher and Lord Rayleigh on her work; scientific writing; psychology; science of meaning; Lodge sending a "psychical report" to Welby; investigation of "multiple/multiplex characters" by psychologists, physiologists and physicists; Welby's 'vibration diagrams'; Dr. Foster and his "central nervous system"; the work of Prof. C. V. Boys, Prof. Lloyd Morgan, Shadworth Hodgson, M.M. Maxim, Langley, Lankester, Geddes, Dr. Aug. Waller, Mr. Poulton, Mr. James Scully; Welby's efforts to get Lodge to bring Nicola Tesla to an Easter gathering in 1892 that would include Dr. and Mrs. Romanes, Prof. Ray Lankester, Prof. Lloyd Morgan, E.B. Poulton, E.B. Titchener, J. Scully, Shadworth Hodgson, Arthur Balfour and Mr. and Lady Cecil Scott-Montagu. Lodge writes from 21 Waverly Road, Liverpool . File also includes an envelope annotated "The Lodge - Hershel Letters" containing transcriptions of letters from 1892.