Main Propulsion Shafting and Bearings of German Naval Vessels Open PDF Document Details Document Type Technical Report Publication Date Oct 10, 1945 Accession Number ADA953135 Entities People R. Michel Tags Communities of Interest Ground and Sea Platforms DTIC Thesaurus Topics Boats Engineers Frequency Friction Materials Measurement Men Naval Vessels Navy Propellers Resonant Frequency Ships Stresses Submarine Hulls Submarines Tensile Strength Vibration