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
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 a vaporizer, designed by Julius Jeffreys to warm and humidify inspired air, in his clinical practice. In January 1847 Snow designed an inhaler in which the volute and ether chamber were modeled on Jeffreys' construction.