Polygraph (duplicating device) Polygraph (duplicating device) A Polygraph is a device that produces a copy of a piece of writing simultaneously with the creation of the original, using pens and ink. Patented by John Isaac Hawkins on May 17, 1803, it was most famously used by the third U.S. president, Thomas Jefferson, who acquired his first polygraph in 1804 and later suggested improvements to Charles Willson Peale, owner of the American rights. Because Jefferson was a prolific letter writer, the preservation of his copies have offered historians extensive insights into Jefferson's viewpoints and actions. Jefferson called the polygraph "the finest invention of the
For a Few Dollars More For a Few Dollars More For a Few Dollars More () is a 1965 spaghetti Western film directed by Sergio Leone. It stars Clint Eastwood and Lee Van Cleef as bounty hunters and Gian Maria Volontè as the primary villain. German actor Klaus Kinski plays a supporting role as a secondary villain. The film was an international co-production among Italy, West Germany, and Spain. The film was released in the United States in 1967, and is the second part of what is commonly known as the "Dollars Trilogy", following "A Fistful of Dollars" and preceding "The Good, the Bad and