Some invariants and covariants of ternary collineations This book, "Some invariants and covariants of ternary collineations", by H.B. Phillips, is a replication of a book originally published before 1907. 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.