They Used to Shoot Sick Dogs — Now They Cu 



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The machine which Dr. Little employs in the animal hospital in New York city for admin- 

 istering anesthetics to animals. It consists of two cylinders, one containing nitrous oxide 

 and the other oxygen. These discharge into two bags each of which is connected with the 

 mouthpiece attached to the patient's noce. The flow of gases is controlled by valves 



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