Rara mathematica or, A collection of treatises on the mathematics and subjects connected with them, from ancient inedited manuscripts This book, "Rara mathematica. Or, A collection of treatises on the mathematics and subjects connected", by J. O. Halliwell-Phillipps, is a replication of a book originally published before 1839. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.