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 on 6 January 2017, as the lead single from their 25th live album, "Let There Be Light" (2016). "What a Beautiful Name" was composed in December 2015 in Sydney, Australia, for the upcoming Hillsong Conference, the annual church gathering. The scriptural foundation of the song can be found in , and . According to sheet music published at Sheetmusicdirect.com by Hillsong Publishing, "What a Beautiful Name" is a slow tempo of 68 beats per minute. Written in common time, the song is in the key of D major. Brooke Ligertwood's vocal range spans from A to B during the song.