Macrostructure and Physical Properties of 75 M/M Pack Howitzers Machined from Large Centrifugal Castings, Document Details Document Type Technical Report Publication Date Jun 21, 1938 Accession Number ADA951260 Entities People Norman L. Reed Tags DTIC Thesaurus Topics Casting (Fabrication) Castings Centrifugal Casting Howitzers Physical Properties Structural Components