HEMISPHERE SEARCH DETECTOR Open PDF Document Details Document Type Technical Report Publication Date Nov 01, 1948 Accession Number AD0041814 Entities People R. C. Jones Organizations Polaroid Corporation Tags Communities of Interest Advanced Electronics DTIC Thesaurus Topics Amplifiers Cathode Ray Tubes Circuits Contracts Detection Detectors Diagrams Electromagnetic Fields Electron Tubes Frequency Impedance Magnetic Amplifiers Magnetic Fields Magnetic Properties Navy Transducers United States