Show one inch miles telephone experts declare that hint if a person speaking mer a phone holds tile the transmitter four foor indies inches fron from ills his mouth it Is equivalent to adding addin about 0 0 0 miles to the lie line over which he Is canei ing i popular mechin ics acs magazine carelessness carchesi nass lo in the manner of using a telephone instrument Is one of transmission the best results ore are obtained by allowing about half an inch to intervene between the mouth and the transi nitter |