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
What a Beautiful Name to sing and which does not strain the voice with notes that are too high or too low. He also comments that the song is written in the key of D which is "the optimal key for both men and women." "What a Beautiful Name" had its worldwide digital release on 6 January 2017, and topped Billboard's Hot Christian Songs chart on 25 February. The single has held the top position for 38 weeks making it the second-longest-leading No. 1 in the 14-year history of the Hot Christian chart. The song which claims the distinction as the longest-leading No. 1