Comprised of a transparent plate with small circular chambers
Each chamber contains an iron rod; each functions independently as a plotting compass
Excellent tool for viewing magnetic fields
Transparent-- Suitable for overhead projectors
250mm x 250mm

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 10 inch
Height : 0.6 inch
Length : 10 inch

Item Weight: 15.2 ounce (View shipping rates and policies)
Shipping Weight: 15.2 ounce (View shipping rates and policies)

ASIN : B00ARJP08Q