Lens Holder for 50mm Lens with 8mm Rod Attachment Pack Size_8 Studies oblique collisions between steel

Studies oblique collisions between steel balls on a flat surface

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

Vinyl-coated three-finger jaws hold apparatus up to 3

and pendulum period in physics experiments

each output protected against overload and short-circuit conditions

Lens Holder for 50mm Lens with 8mm Rod Attachment Pack Size_8 Studies oblique collisions between steel8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical bench rail for repeatable refraction, focal length, and image formation experiments.