Show I SLIGHT INCREASE I IN COPPER STOCKS 1 NEW YORK April Apri 8 An S.-An An increase of ot pounds In copper stocks on hand had April Apri 1 as compared with March arch 1 is shown by monthly o report P of t the l copper ZI id idt og dUnce producers producers' association made P public l here to today t i Tile report shows S Copper stocks on hand April Apri 1 were pounds as compared with wit on March arch 1 1 Production d during March was pounds s an increase of as compared with wih February Deliveries during March were pounds a decrease of at as compared compared com corn pared with wih February Of the total deliveries pounds were for domestic consumption and 40 were for export |