Show Em Effie sey When is an en Inch lath equivalent to four miles The Tbt inI rI when o mouth away from tram I. I a i tel telephone transmitter When lien yon ton on place your our lips at at an an angle to 10 the month piece mouth or show your aloofness toward this mechanical ear ar lit In some lorne other way you OU thereby push your listener miles away from you rOu W. W A. A Jackson Jacklon superintendent of telegraph of the Michigan Central railroad figured out this loss of speaking efficiency anc and sent Befit a memo memo- random about It to all hI his employees He lie Talk directly into the telephone transmitter at a distance of not more than one half Inch loch using a adear clear dear moderate tone |