33 evaporating ether H-63 Evaporating ether in a watch glass freezes a drop of water between the bottom of the glass and a cork.
(33 evaporating ether H-63 Evaporating ether in a watch glass; freezes; a drop of water between the bottom of the glass and a cork)
33 evaporating ether H-63 Evaporating ether in a watch glass
freezes
a drop of water between the bottom of the glass and a cork