Basic Plotting Compass, 16mm, Glass Face, Aluminum Case, Diameter: 0.6 In. (1.3Cm), One Individual Unit, Provide A Simple, Teachable Way To Demonstrate Magnetic Fields In Class. Simple Use And Easy Readability Make It Straight-Forward For Students To Map Magnetic Fields
Demonstration Compass, 10Cm Long Magnetic Needle On Compass Map, Easy To Demonstrate The Cardinal Points Of A Compass And Determine All Their Directions.