Committee on Standardization of Rig Irons. Committee ... Tuesday, January 19; Morning 10:30 a. m. Meeting of the Board of Councillors. ... The morning and afternoon will be devoted to group sessions, arranged by general topics, at which the various subjects will first be treated in addresses by selected speakers. ... aquot; Seeking Safety in Railroad Transportation, aquot; Colonel B. W. Dunn, Bureau of Explosives.