Anhydrous Calcium Chloride, 4-20 Mesh, 500g, Laboratory Grade Included_Base Only Six-lens optics set of three

Six-lens optics set of three double-convex and three double-concave glass lenses with ground beveled edges

transmitting light end-to-end via total internal reflection to give a tabletop analogue of a fiber-optic cable

Powered by compressed air and a water payload in a 2-liter soda bottle

pink-dotted at one end of each magnet to flag the matching pole and supplied with steel keepers between lessons

Built for comparative plant reproduction teaching

Anhydrous Calcium Chloride, 4-20 Mesh, 500g, Laboratory Grade Included_Base Only Six-lens optics set of threeGranular 4 to 20 mesh anhydrous calcium chloride, supplied for drying gases and solvents and as a calcium ion source in analytical procedures.