#1
Polarizing microscopeby Eleanor Grace
Polarizing microscope offers high definition image quality
in polarized light, using contrast-enhancing technique.
This microscope comes with quintuple click stop revo...
#2
Manual Polarimeterby Eleanor Grace
Polorimeteter is an optical instruments which comes with 589nm
standard sodium lamp and (-180) °C to 180 °C measurement range
for determining the concentration of th...