US$ 11040.00
Mounted on a precision base
adjustable pulley
Non-conductive and waterproof fifteen-meter fiberglass tape measure with PVC coating and a flush winding handle
producing water jets of varying distances to show how pressure increases with depth in hydrostatics
providing a measurable projection surface for sizing real images formed by lenses and concave mirrors
Wooden Pinhole Camera, 6.5" Tall Material_Brass Mounted on a precision baseA 7 aperture metal plate, ground glass screen, and sliding inner box let students measure how image size varies with pinhole to screen distance, closing to a stored length of 6. 5 inches.
US$ 11040.00
US$ 13240.00
US$ 17000.00
US$ 6400.00
US$ 25.00
US$ 19400.00
US$ 17200.00
US$ 8200.00
US$ 11880.00
US$ 119.00
US$ 8200.00
US$ 6520.00
US$ 21640.00