Product Code:
MG-PMAG-0021
Description:
These small plotting compasses can be used to plot lines of magnetic fields.
Specification:
Plotting compass Magnetic needle mounted in a circular dish, having printed scale at the inside of the bottom, fitted with glass on the top.
Diameter : (a) 12mm (b) 16mm (c) 20mm (d) 25 mm (e) 38 mm (f) 50 mm (g) 75mm
