Restoration Procedure Format. Open PDF Document Details Document Type Technical Report Publication Date Apr 05, 1968 Accession Number ADA039556 Tags Communities of Interest Advanced Electronics Counter IED DTIC Thesaurus Topics Acoustic Equipment Calibration Contracts Disassembly Electrical Equipment Frequency Handbooks Hydrophones Hydrostatic Pressure Impedance Materials Measurement Resonant Frequency Specifications Standards Test Equipment Transducers