Expand all + Resonance in Strings 3D20.10 - Sonometer 3D20.21 - Electric Guitar and Scope + Resonance in Cavities 3D30.10 - Vertical Resonance Tube 3D30.50 - Ruben's Tube 3D30.70 - Hoot Tube + Air Column Instruments 3D32.10 - Organ Pipes + Resonance in Plates, Bars and Solids 3D40.10 - Xylophone 3D40.15 - Musical Sticks 3D40.20 - Singing Rod 3D40.31 - Center Driven Chladni Plate 3D40.50 - Musical Goblet 3D40.51 - Spouting Bowl + Tuning Forks 3D46.15 - Tuning Fork Set