QUARTERLY PROGRESS REPT Open PDF Document Details Document Type Technical Report Publication Date Jul 30, 1954 Accession Number AD0038540 Entities Organizations Columbia University Tags Communities of Interest Energy and Power Technologies DTIC Thesaurus Topics Air Force Analyzers Detectors Electron Tubes Electronic Equipment Frequency Generators Harmonic Generators High Temperature Hyperfine Structure Klystrons Measurement Oscillators Signal Generators Spectra Spectroscopy Spectrum Analyzers