Polygraph (duplicating device) lift of the principal pen grasped by the user from the paper to be transferred to the copying pen. Original polygraphs may be viewed at a number of locations around the world. Some United States locations: The original American patent document for the polygraph, issued to John J. Hawkins on May 17, 1803, was lost in a Patent Office fire in 1836. The "Griffin Discovery Room" at Monticello contains a simplified and durable version, intended for use by children. An image of this version in use may be seen here. Polygraph (duplicating device) A Polygraph is a device that produces
What Is This? following week. The group decided to change their name to the Red Hot Chili Peppers, played several more shows at various L.A. clubs and musical venues, and eventually recorded a demo tape, all while Slovak and Irons were still playing with What Is This?. A few months later, What Is This received a record deal with MCA Records and the Red Hot Chili Peppers received a joint deal with EMI America and Enigma Records. Hillel Slovak and Jack Irons decided to leave the Red Hot Chili Peppers and stay with What Is This? as the latter was their primary musical