US$ 39.99
and screen accessories for a full reflection and refraction sequence
the wider face brightening divergence demos while still producing reduced upright virtual images
Designed for class-front lateral-displacement demos
Anhydrous 500g bottle of laboratory-grade citric acid
Double Concave Glass Top Spinning Base, 125mm, 20mm Focal Length Chemical_Calcium Carbonate and screen accessories for aUnusual double concave glass disc on a 125mm spinning base, 12mm thick with a 20mm diverging focal length, the optically true beveled surface fitting rotational and lens based optics demos.
US$ 39.99
US$ 20.14
US$ 16.14
US$ 12.49
US$ 32.00
US$ 36.00
US$ 36.00