US$ 165.00
Covering a graded range of spring constants
75 inches end-to-end with a 9/16-inch socket diameter
microbiology
Half life-size liver model with attached gall bladder shows hepatic lobes
and root development across successive stages for dicot germination teaching
Motor-Driven Van de Graaff Generator with Acrylic Shaft, 200,000V Chemicals_Stains & Dyes Covering a graded range ofVisible through a clear acrylic shaft, this motor driven Van de Graaff generator exposes every stage of charge collection on its silicone belt and aluminum comb assembly.
US$ 165.00
US$ 185.00
US$ 152.50
US$ 47.00
US$ 285.00
US$ 160.00
US$ 68.00