It was the most amazing surgery of the 1840s, the procedure you read about in all the history books. It’s the one depicted in paintings. It brought the concept of general anesthesia to doctors and the ...

Perform the following extraction twice: add 1 ml of water-saturated diethyl ether, vortex the tube, and dispose of the upper (solvent) phase. Ensure that the diethyl ether is water-saturated ...