Media type: E-Article Title: Winterthur Portfolio 7 Contributor: Hume, Ivor Noel; Quimby, Ian M. G. Published: Oxford University Press (OUP), 1973 Published in: The Journal of American History, 59 (1973) 4, Seite 990 Language: Without Specification DOI: 10.2307/1918390 ISSN: 0021-8723 Keywords: History and Philosophy of Science ; History Origination: Footnote: