Variable Angle Glass Prism, 15° x 15° x 150° Size_Medium Built for long-bench convergence flexibility

Built for long-bench convergence flexibility

sized to accept a bell jar for atmospheric-pressure and vacuum demonstrations

Pairs 100mm of length with 25mm faces on a polished acrylic equilateral prism

Charged porous pot with a zinc rod inside a rectangular polythene jar

Generates a steady steam bath around a sliding thermometer through a 180 by 115mm copper vessel with filling tube

Variable Angle Glass Prism, 15° x 15° x 150° Size_Medium Built for long-bench convergence flexibilityGlass prism with a 15 degree apex and 15 x 15 x 150 angles, the doubled apex prism producing about twice the deviation of the 5 unit while still in the small angle regime.