00768nam a2200181Ia 4500003000900000008004100009040001600050080002200066110005800088245020000146260005000346300001000396650003900406650002100445942000700466999001500473952009800488IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a(035)621.396bBIR  aUnited Kingdom. Her Majesty's Stationery Office98124 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 Communication98125  aNASA Thesaurus   cBK  c4603d4603  00104070aBANbBANcGENd0000-00-00l0o(035)621.396/ BIRp5136r2021-11-05w0000-00-00yBK