On The Safe Abolition Of Pain In Labor And Surgical Operations, By Anaethesia With Mixed Vapors is a book written by Robert Ellis in 1866. The book focuses on the use of anesthesia in relieving pain during childbirth and surgical procedures. Ellis argues that the use of mixed vapors is a safe and effective method of administering anesthesia, which can provide pain relief without causing harm to the patient. The book provides detailed instructions...