Newton Silk Pocket Square featuring Newton's diagrams, text and annotations from the first edition of the Principia

The Newton Silk Pocket Square

The Newton Silk Pocket Square. Made from 100% silk, this stylish handkerchief is made in Britain using twill silk. The design features text, diagrams and Newton’s annotations from his personal copy of the Principia. This book has been described as the most important scientific book ever written.