00562nam a2200157Ia 4500003000900000008004100009040001600050080002200066110005200088245011400140250001200254260005000266300002300316650004100339650002400380IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a(035)621.396bHMS  aUnited Kingdom. Her Majesty's Stationery Office 0aAdmiralty hand book of wireless telegraph,bvol.1, magnetism and electricitycHis Majesty's Stationery Office  a6th ed.  aLondonbHer Majesty's Stationary Officec1938  a[various pagings.]  aAstronomy and Astrophysics Thesaurus  aTelegraphy-Handbook