Scope and Contents (3) ; D.W.4521.- ; Trainee explaining to the remainder of the class by means of a model the working of an internal combustion Engine being watched by the European Instructor and an African member of the Joint Industrial Council. ; ISSUED BY THE WEST AFRICAN PHOTOGRAPHIC SERVICE, REGIONAL INFORMATION OFFICE, ACCRA, GOLD COAST, BRITISH WEST AFRICA.--Reco ; WEST AFRICAN PHOTOGRAPHIC SERVICE OF THE  REGIONAL INFORMATION OFFICE; P.O. Box 555 ; ACCRA GOLD COAST WEST AFRICA ; Photograph No. D.W....