PERMANENT MAGNET MATERIALS Open PDF Document Details Document Type Technical Report Publication Date Jul 12, 1954 Accession Number AD0040950 Entities People Alan D. Franklin Organizations Franklin Institute Tags DTIC Thesaurus Topics Abstracts Coercivity Crystallites Diameters Government Procurement Governments Iron Oxides Low Temperature Magnetic Properties Metals Military Research Navy New York Oxides Particle Size Particles Physics Laboratories