Description
Designed for class-front lateral-displacement demos
the bulk option for whole-class Benedict's-reagent preparation and water-of-crystallization demonstration sets
the wider face brightening divergence demos while still producing reduced upright virtual images
Red-dyed pH 4
Double Concave Glass Top Spinning Base, 125mm, 20mm Focal Length Chemical_Calcium Carbonate Designed for class-front lateral-displacement demosUnusual 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.
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