When the telephone was first introduced to households and offices, many of the procedures and courtesies that we take for granted weren't intuitive. In fact, a lot of newbie phone users experienced stage fright upon picking up the receiver.
In order to help people adjust to this radical new technology, the 1917 Chesapeake and Potomac Telephone Company publication "How to Use the Telephone, 1917" is a clear, sensible guide to managing your "delicately adjusted instrument," including useful tips like finishing your calls with "good-bye" so that the other party doesn't suppose that the operator has cut them off.
In order to help people adjust to this radical new technology, the 1917 Chesapeake and Potomac Telephone Company publication "How to Use the Telephone, 1917" is a clear, sensible guide to managing your "delicately adjusted instrument," including useful tips like finishing your calls with "good-bye" so that the other party doesn't suppose that the operator has cut them off.