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... Belfast. London Secretary of the E. J. MILLS D.Sc., F.R.S., Professor of Technical icronautica! Society. „. e+u if Tech- J THACKRAY BUNCE Author of History of the «»glC*tfe«* Corporation of bjrham, &c. . , . *. B.A.A. Examiner FROFJ « CARPENTER. M.A., Manchester ...