A pamphlet by J. R. Gill and C. H. Brown (here: www.brethrenarchive.org/archive/later-exclusivism/lowe-section/the-tunbridge-wells-schism/tunbridge-wells-its-question-considered/) quotes on page 28 from this brochure by F. L., saying that it was written by "brother Frederick Lavington of England ... not long before his death". The reference was to the TW-question.
Martin