Hollow Optical Shapes, Glass

For Studying And Comparing The Optical Properties Of Liquids And Determition Of Their Refractive Index By Filling Them In The Hollow Optical Shapes. Made From Glass Plate. All Shapes Have Opening Lid At The Top For Pouring The Liquid. Sizes And Shapes Available Are: Other Sizes Also Available On Specific Request. (75x75Mm, Hollow Trough)