%0 Generic %A Keill, John, %T The elements of plain and spherical trigonometry Also a short treatise of the nature and arithmetick of logarithms. By Doctor John Keil F.R.S. and late professor of Astronomy in Oxford. Translated by Samuel Cunn. And carefully corrected by S. Fuller. %U https://ezaccess.libraries.psu.edu/login?url=http://find.galegroup.com/ecco/infomark.do?contentSet=ECCOArticles&docType=ECCOArticles&bookId=1305100200&type=getFullCitation&tabID=T001&prodId=ECCO&docLevel=TEXT_GRAPHICS&version=1.0&source=library&userGroupName=psucic %7 The fourth edition.