Description: A mixture of CCl4 and C6H6 has an index of refraction similar to Pyrex glass. When a rod of soft glass is placed in fluid, it can be clearly seen. When a pyrex glass rod is placed in fluid it becomes "invisible."
Instructions:
Items Used:
Notes: A clip of H. G. Wells' The Invisible Man can be shown for greater effect. Available upon request. Math Description: None.
Size: 6" w X 1' h. Condition: Good. Hazard: Be careful while handling the