00600nam a2200145Ia 4500003000900000008004100009040001600050080002200066110005200088245020000140260005000340300001000390650003300400650002100433IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a(035)621.396bBIR  aUnited Kingdom. Her Majesty's Stationery Office 0aHandbook of line communicationbvol. 1, a comprehensive textbook dealing with the theoretical and practical aspects of the transmission of intelligence over linescHis Majesty's Stationery Office  aLondonbHer Majesty's Stationary Officec1947  a875p.  aHandbooks-Line Communication  aNASA Thesaurus