Two conventional telephone wires connect a subscribera#39;s set with his power line pole. ... more economically by a conventional system using a high strength steel wire that permits spans of double the normal length and. consequently, reduces by half the number of poles. ... A farmer cannot run next door to a neighbora#39;s or down to the comer drug store to telephone for a doctor, policeman, or fireman. ... farm will not only help him in emergencies but also kindle a stronger community spirit.
|Title||:||Federal science progress|
|Author||:||Technical Services Office|