Rectangular Radius, Sternkreuz MZG & MZL
- Sternkreuz (MZG) - Gents
- Sternkreuz (MZL) - Ladies
Radius measurement is in millimetres of what the distance would be if the glass blank made up a circle. E.g Radius R40 = 40mm
Mineral watch glass blanks, chemically hardened for grinding mineral fancy shaped glasses on copying milling machines.