Ether Thermoscope Pulse
The liquid inside is extremely volatile and inflammable. When you buy this product you expressly agree to this statement. Glass construction. On holding the lower bulb in hand causes the liquid ether inside to boil and shoot into the top bulb. The body heat causes the liquid to appear as if boiling.This is a very fragile and delicate product. Any excess amount of pressure on the product can cause it to shatter or break. Use extreme caution. A preview of the included instructions can be found at the bottom of this listing. Measurements are approximate.