Replica of John Snow's ether inhaler, 1847. John Snow (1813-58) was a British physician. He designed this apparatus to safely administer ether to pati

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Replica of John Snow's ether inhaler, 1847. John Snow (1813-58) was a British physician. He designed this apparatus to safely administer ether to patients during surgical and obstetric procedures. The apparatus is a vaporizer consisting of a rectangular metal hot water bath, spiral baffle in a vaporizing chamber, valves, wide bore tubing and facepiece through which the patient inhaled the anaesthetic ether vapour.

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Size: 5124px × 3411px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No

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