Previous articleNext article No AccessNotes & CorrespondenceLeonardo Ximenes and the Gnomon at the Cathedral of FlorenceRufus SuterRufus Suter Search for more articles by this author PDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmail SectionsMoreDetailsFiguresReferencesCited by Isis Volume 55, Number 1Mar., 1964 Publication of the History of Science Society Article DOIhttps://doi.org/10.1086/349799 Views: 4Total views on this site Citations: 1Citations are reported from Crossref Copyright 1964 History of Science Society, Inc.PDF download Crossref reports the following articles citing this article:Robert P. Multhauf, Bernard S. Finn, Aleida V. H. Cattell, Gertrude B. Calvert, and Diana D. Menkes Ninetieth Critical Bibliography of the History of Science and Its Cultural Influences (To 1 January 1965), Isis 56, no.44 (Oct 2015): 490–657.https://doi.org/10.1086/350074