Idiski Polarimeter
–Uphawu: injongo yokubonakalayo; umlinganiselo wesandla; ukusebenza ngokulula -Ukulinganisa uMgangatho: -180
Bhala umyalezo wakho apha uze uyithumele kuthi
–Uphawu: injongo yokubonakalayo; umlinganiselo wesandla; ukusebenza ngokulula -Ukulinganisa uMgangatho: -180