11-Piece Rectangular Retort Stand Set with Bossheads, Clamps, and Rings Biology_Microscopy where current through a coil

where current through a coil closes a separate contact and shows how a small signal controls a larger circuit

demonstrating plaque removal during dental hygiene lessons

Narrow-mouth reagent bottle in borosilicate glass holds 2000mL with 34/35 interchangeable hexagonal hollow stopper for chemical storage applications

5-inch height

Pan balance demonstration lever with a low-friction brass pivot

11-Piece Rectangular Retort Stand Set with Bossheads, Clamps, and Rings Biology_Microscopy where current through a coilEleven piece retort stand starter set combining a heavy duty rectangular base and rod with three support rings, three boss heads, and four vinyl coated clamps for complete apparatus assembly.