HYDROPHONE DEVELOPMENT AT HUDSON LABORATORIES 1951 TO 1958 Open PDF Document Details Document Type Technical Report Publication Date Feb 15, 1959 Accession Number AD0215628 Entities People Edward T. O'neill Organizations Columbia University Tags Communities of Interest Advanced Electronics Cyber DTIC Thesaurus Topics Assembly Barium Barium Titanates Ceramic Materials Crystals Curie Temperature Elements Engineering Hydrophones Low Temperature Manufacturing Materials Mechanical Engineering Military Research New York Titanates United States