Kelsey, ElizabethTrail blazers to radionics and Reference guide to ultra high frequenciesChicago, IL; Zenith Radio Corporation 1943Online editions:archive.org/details/TrailBlazersToRadionicsAndReferenceGuideToUltraHighFrequencieshdl.handle.net/2027/mdp.39015024355235LanguageenglishKeywordsFunktechnikTechnologyUniform titleTrail blazers to radionics and Reference guide to ultra high frequenciesTable of Contentsarchive.org/details/TrailBlazersToRadionic...