3D Paramecium Sectional Anatomical Model on Base with Removable Parts, 18 x 8 inch Class_Class B 110 ohms total at plus-or-minus

110 ohms total at plus-or-minus 0

9A with oxidized constantan winding on a vitreous-enameled steel tube and a phosphor-bronze sliding contact

generating opposite charges along its length to compare negative and positive triboelectric behavior side by side

Three-prong laboratory clamp with rubber-coated chemical-resistant prongs and a 4

and iron rods for linear-expansion comparison

3D Paramecium Sectional Anatomical Model on Base with Removable Parts, 18 x 8 inch Class_Class B 110 ohms total at plus-or-minusThree dimensional Paramecium sectional model with removable parts reveals cilia, oral groove, nuclei, and internal organelles for protist biology teaching.