The action of phenol on the chlorides of orthosulphobenzoic acid This book, "The action of phenol on the chlorides of orthosulphobenzoic acid", by Robert Edmund Humphreys, is a replication of a book originally published before 1900. 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.