Thefirst three sections of Newton's Principia with copious notes and illustrations, and a great variety of deductions and problems. Designed for the use of students. This book, "Thefirst three sections of Newton's Principia", by John Carr, is a replication of a book originally published before 1826. 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.