Brass Pendulum Bob with Hook, 25mm Subcategory_Condensers Reveals Earth's internal structure through

Reveals Earth's internal structure through a seven-piece cross-sectional globe whose crust

Painted red and blue along their lengths to mark north and south poles

Combining filtration and titration on one base

The waves generate nodes & antinodes & their full wave length or half wave length can be measured

Dissectable three-part head joins eleven removable torso organs to expose cranial nerves

Brass Pendulum Bob with Hook, 25mm Subcategory_Condensers Reveals Earth's internal structure throughBrass 1 inch diameter pendulum bob weighing 2. 1 oz with a threaded removable hook, compatible with the PH0308 pendulum clamp for simple harmonic motion experiments.