Rectangular Refraction Acrylic Block, 75 x 50 x 18mm Material_Nylon Double-vessel copper calorimeter set with

Double-vessel copper calorimeter set with a 75 by 50mm inner cup on cork supports inside a 100 by 75mm outer shell and a slotted lid

and spectroscopy investigations

this demonstrator surrounds a central magnet with 46 small compasses that align in a flowing dipole pattern

Used to receive Morse code signals as audible clicks

and a tensioning pulley

Rectangular Refraction Acrylic Block, 75 x 50 x 18mm Material_Nylon Double-vessel copper calorimeter set withPairs 75 by 50mm with 18mm thickness on an acrylic rectangular refraction block, the lightweight beveled body giving safer per desk Snell's law and lateral displacement demos.