nu 0 lalK IS American Telephone and Co the world's re- was warned that one of its telephones would be discon- if it did not pay an over- due bill of for tele- it had installed in a office value you as a cus- said the computer-written dunning notice from the Chesapeake and Potomac Telephone one of 23 telephone companies' owned bv AT AT unless payment of 08 is received we will have to interrupt your service the notice concluded