US$ 59.95
the optical-grade body delivering cleaner refraction angles than acrylic peers for precision Snell's law work
conduction
25 inches with vinyl-coated prongs on a 5
Wooden fulcrum-balance simple-machine model with a sliding pivot
5 inch premium dynamics carts with nylon ball-bearing wheels and end hoops for elastic and inelastic collisions
3-Finger Vinyl-Coated Extension Clamp on Stainless Steel Rod, 3.4" Max Material_Acrylic the optical-grade body delivering cleanerVinyl coated three finger jaws hold apparatus up to 3. 4 inches without slipping, mounted on a 5. 5 inch stainless steel rod with thread fitted joints for smooth adjustment.
US$ 59.95
US$ 111.83
US$ 196.00
US$ 325.05