US$ 26.95
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
slotted masses
and pendulum period in physics experiments
and chamber walls at a scale visible for group demonstrations
Lens Holder for 50mm Lens with 8mm Rod Attachment Pack Size_8 Entry-level two-part human skull model8mm 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.
US$ 26.95
US$ 125.00
US$ 26.95