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Items on this page are images related to John Snow.

Baptismal record for John Snow, 15 March 1813; City of York.

Courtesy of the Borthwick Institute of Historical Research, University of York, via Howard Brody. Y929.3 York. All Saints. North Street Baptisms 1813-1852, 1. Mr. Brown was Curate at All Saints North Street in 1797, Rector from 1798-1817.

Death Certificate, John Snow, 16 June 1858; London.

Courtesy of the Family Research Center, London, via Betty Vinten-Johansen.

Jeffreys' Vaporizer, 1842.

Adapted from LMG 29 (1841-42): 821-22. Snow had used Julius Jeffrey's vaporizer in his clinical practice. In January 1847 Snow designed an inhaler in which the volute and ether chamber were modeled on Jeffreys' construction.