Individual Stainless Steel Hooked Weight StockedLY9121 combining a 4-inch inner diameter

combining a 4-inch inner diameter and a rod grip from 5/16 to 5/8 inch for holding wire gauze and vessels over heat

Hand-painted dicot root transverse section model exposes epidermis

and Anti-Rh antiserums for replenishing the simulated blood-typing classroom experiment kit

Soda glass pneumatic trough measures 15 x 10cm for gas collection over water and chemistry demonstration applications

the sealable cavity holding water or other liquids to study Snell's law refraction across multiple media

Individual Stainless Steel Hooked Weight StockedLY9121 combining a 4-inch inner diameterCorrosion resistant stainless steel construction preserves mass stability over years of classroom use, with a machined hook for spring scale and pulley experiments.