Project Gutenberg 2006-11-12 Public domain in the USA. 413 Todhunter, I. (Isaac) 1820 1884 Todhunter, Isaac Spherical Trigonometry: For the Use of Colleges and Schools en Spherical trigonometry QA Text Mathematics Browsing: Mathematics Browsing: Science - General 828992 2020-08-21T12:00:34 application/pdf 806553 2020-08-21T12:00:34 application/pdf application/zip 373710 2020-08-21T12:00:34 application/prs.tex 260316 2020-08-21T12:00:34 application/prs.tex application/zip 9736 2024-10-08T14:56:11.355546 application/rdf+xml 20860 2024-10-08T14:56:11.287663 image/jpeg 4548 2024-10-08T14:56:11.015550 image/jpeg Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia