Page:Popular Science Monthly Volume 90.djvu/18

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They Used to Shoot Sick Dogs—Now They Cure Them

Popular Science Monthly Volume 90.djvu-18.png

The machine which Dr. Little employs in the animal hospital in New York city for administering 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 nose. The flow of gases is controlled by valves

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