12-Tube Wooden Test Tube Rack, 9" Wide, for 20mm Tubes Physics_Heat & Thermodynamics 75-inch height range for bench

75-inch height range for bench apparatus

Hand-painted arterial red and venous blue vessels trace the full systemic and pulmonary circulation across a mounted human figure for cardiovascular teaching

75 inches tall with visible crankshaft

Aluminum inclined plane with integrated vertical

the thinnest gauge for mounting the smallest and most delicate insect specimens in permanent displays

12-Tube Wooden Test Tube Rack, 9" Wide, for 20mm Tubes Physics_Heat & Thermodynamics 75-inch height range for benchBeech wood test tube rack holds 12 tubes up to 20mm diameter in a 9 inch frame for organized storage during chemistry and biology experiments.