Things not generally known. Popular errors explained and illustrated: Popular Errors Explained . This book, "Things not generally known. Popular errors explained and illustrated: Popular Errors Explained .", by John Timbs, is a replication of a book originally published before 1858. 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.