Except measure the refraction index of the liquid,it also can look into electrophoresis of light lines refraction, echo and total reflection from any direction by different medium.
Flume:Made of transarence organic glass.Dia:160mm.
Dial:Made of white organic glass.Dia:160mm
Lamp-house:Semiconductor laser linearis lamp-house.wave lengh 650mm
Outline border of the lamp-house:A whole shape made of platic have spire switch,fixup on circumrotate iron sheet by magnet.can 3600 round and orientation along the lamp-house.
Base:Made of organic glass,have four volution by hand.