Show I I Ti Train in Signal Men Menon on Merchant Ships WASHINGTON Dec 1 AP AP- AP To d develop expert signal men on merchant ships the navy is encouraging encouraging aging the exchange of or visual I ual nl night ht and day signals between merch merchant nt and naval natal vessels Steamship associations and the shipping board boud have Indorsed the plan and Secretary Wilbur has di directed directed directed di- di the office of naval communications communications to outline instructions Corna for Cor na naval al vessels to carr carry It out |