(Rly. Publicity photos.)
(1) C. R. Lovatt, M.Sc.A.M.I.R.S.E., A.M.I.C.E., First Assistant Engineer (Signals); (2) C. A. Mackersey, A.C.S.E., A.M.I.E.E., First Assistant Engineer (Electrical); (3) G. W. Wyles, A.M.I.E.E., M.I.R.S.E., Signal and Electrical Engineer; (4) L. A. Swift, A.M.I.E.E., Assistant Engineer, in charge of Drawing Office; (5) W. T. Doig, Chief Clerk.

(Rly. Publicity photos.)
(1) Drawing Office; (2) Technical Assistants and Chief Inspectors; (3) Clerical Office; (4) Typistes; (5) Corner of Laboratory; (6) Signal and Electric Lines Inspector's Office.