US$ 79.00
Rotating disc cut with twelve 0
letting students switch between low and mid-current scales without swapping instruments
Used to visualize amino acids
comparing liquid densities by the differential heights of drawn columns
Rollers for Inclined Plane, 8cm Base_Octagonal Rotating disc cut with twelveSolid metal 1kg rollers at 8cm wide by 4. 3cm diameter, running on cone bearings in a cord ready metal frame for friction, acceleration, and rolling motion experiments on inclined planes.
US$ 79.00
US$ 171.89
US$ 17.95