5-Piece Rectangular Retort Stand Set with Rod and 3 Support Rings (3", 4", 5") Mechanics_Work & Energy 75-inch frame for bench storage

75-inch frame for bench storage between uses in teaching chemistry and biology labs

Simple-form Boyle's Law apparatus pairing a graduated plastic syringe on a wooden block with a weighted piston

and cytoplasm for classroom cell biology instruction

anchoring retort stands and apparatus to the edge of a classroom workbench

5-Piece Rectangular Retort Stand Set with Rod and 3 Support Rings (3", 4", 5") Mechanics_Work & Energy 75-inch frame for bench storageFive piece retort stand set combining a powder coated 8 by 5 inch steel base, a 20 inch stainless steel rod, and three cast iron support rings for ring stand assemblies.