DEVELOPMENT OF AIR GAGE FOR U. S. RIFLE CAL. .30 M1. MANUFACTURING DEVELOPMENT PROGRAM NO. 45 Open PDF Document Details Document Type Technical Report Publication Date Jan 13, 1948 Accession Number AD0493185 Entities People L. Spaulding Tags Communities of Interest Weapons Technologies DTIC Thesaurus Topics Ammunition Back Pressure Friction Gages Gas Cylinders Gas Seals High Pressure Integer Programming Munitions Poppet Valves Pressure Gages Systems Engineering Tank Guns Valves Weapons