Soda Glass Pneumatic Trough with Concave Base, 12 x 6 inch Included_Rod the precision-ground material producing minimal

the precision-ground material producing minimal distortion for refraction-angle and Snell's law measurements

letting students wire the panel directly to each load and watch how light powers different output devices

calculating radius of curvature for round and spherical optical surfaces

the bench-scale option for younger students or for compact apparatus where a full-size bar would be unwieldy

38mm lens holder

Soda Glass Pneumatic Trough with Concave Base, 12 x 6 inch Included_Rod the precision-ground material producing minimalSoda glass pneumatic trough with concave base measures 12 inches diameter by 6 inches tall for gas collection over water.