US$ 17.95
fine print
Compact metal-box convection demonstrator at 10 by 4 by 3 inches with two glass chimneys
illustrating linear thermal expansion
and a reinforced rim to protect against accidental impacts
Reflection and Refraction Apparatus Set with Light Source Manufacturer_Eisco fine printFor studying reflection, refraction, and Snell's law, this acrylic apparatus mounts a rotating protractor on a 15 by 9. 5 inch base for precise angle measurement during wave optics investigations.
US$ 17.95
US$ 17.95
US$ 152.01