Air-Cooled Rheostat, Model C Glass Bottles_Reagent Bottles ESP control module for the

ESP control module for the hydraulic unit

Large-scale typical flower model with removable floral parts and a bisected ovary showing internal ovule arrangement for detailed botany instruction

Twin drivers rated 5W and 8W share a 28 x 10 x 10cm wooden enclosure with independent coaxial-to-4mm connections

illustrating linear thermal expansion

Highly useful for the wave demonstration

Air-Cooled Rheostat, Model C Glass Bottles_Reagent Bottles ESP control module for theAir cooled rheostat with extended tube ventilation, dissipating heat across the slide bar carriage during sustained high current circuit work in physics laboratory demonstrations.