Steel Ball Bearings, 13mm, 10-Pack Waves & Oscillation_Wave Motion 25 x 2 x 1

25 x 2 x 1 inches with a sliding top

Diffraction grating mounted on a 90 x 40mm card slide

producing the nearly uniform field used to calibrate magnetic sensors and verify the Helmholtz geometry

Twelve-volt DC drive across two 600-turn coils delivers higher lifting force than 6V models

and cerebellum alongside the cerebral arterial supply for neuroanatomy and stroke-pathway teaching

Steel Ball Bearings, 13mm, 10-Pack Waves & Oscillation_Wave Motion 25 x 2 x 1Ten pack of 13mm precision machined steel ball bearings for projectile launchers, roller coaster simulations, and Newton's second law apparatus in mechanics experiments.