Equilateral Prism, Material: Acrylic, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (even in room light) by using the simple led light of a smart phone, User will need to create a small slit in a black piece of paper, Size: 3in Hx1in W
Basic St. Louis Motor, Useful In Demonstrating The Operations Of A Dc Motor, Consisting Of A Two-Pole Armature Mounted Between Magnets. Steel Supports Are Mounted On A Ridged Plastic Base. Operates On 3 To 6 V Dc.
Equilateral Prism, Material: Glass, Useful for Experiments in Optics, Light Refraction and Wavelengths, Designed for physics and educational uses. Because of their educational use design, there may be minor imperfections that do not affect physical function, Size: 3in (75mm) x 1in
Equilateral Prism, Material: Acrylic, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (even in room light) by using the simple led light of a smart phone, User will need to create a small slit in a black piece of paper, Size: 1in Hx1in W
Pulley Adjustable Clamp, Sturdy, Metal Constructed Clamp Pulley Can Be Used To Demonstrate A Wide Variety Of Mechanics Principles. The Metal Sheave Is 5 Cm In Diameter And Can Be Adjusted From Flush With The Tabletop To 13 Cm Above It