Variable Angle Glass Prism, 15° x 15° x 150° Size_Medium sized for fine-print reading and

sized for fine-print reading and convex-lens image-formation work in introductory optics

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

5 inch specific gravity cylinder with a top hook

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

Compact regulated +15V DC power pack rated at 1 A

Variable Angle Glass Prism, 15° x 15° x 150° Size_Medium sized for fine-print reading andGlass 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.