A LETTER FROM AMERICA “AN ENERGETIC AND ACTIVE NATURE IS A PREREQUISITE OF MY TYPE OF BUSINESS. THIS COUNTRY’S DRY CLIMATE AND OXYGENATED AIR HAVE REJUVENATED ME.” PIERRE-SAMUEL DU PONT DE NEMOURS. French economist; leading member of the Physiocratic school and author of many economic treatises. Autograph Letter Signed, “du Pont de Nemours”, one full … [ Read More ]