Spare Belt for Motor-Driven Van de Graaff Generator Glass Dishes & Jars_Glass Evaporating Basins letting students vary the moment

letting students vary the moment arm distances on either side and find the balance point for any combination of masses

Greatly enlarged pituitary-hypothalamus complex exposes the anterior and posterior lobes with connecting infundibulum for endocrine anatomy and physiology teaching

internal structures

3 inches (110mm) outer diameter with spout for chemistry evaporation and heating procedures

Includes automatic zero facility

Spare Belt for Motor-Driven Van de Graaff Generator Glass Dishes & Jars_Glass Evaporating Basins letting students vary the momentSpare 14. 375 inch rubber drive belt for the motor driven Van de Graaff generator, kept on hand so the dome can keep building charge once the original belt wears thin.