John Joseph Merlin he wheeled about himself, with great facility to any part of the room." At an event held by Teresa Cornelys in Carlisle House, Soho Square, Merlin appeared somewhat disastrously on roller skates of his own invention. By April 1783 Merlin was putting his musical instruments and his automatons on display at his own museum. Advertisements invited readers to visit his Museum of Musical Instruments and Mechanical Inventions at No. 2, Princes Street, Hanover Square, London. Well-off Londoners could meet their friends at Merlin's Mechanical Museum in the afternoon or evening, pay to see the exhibits, and drink tea or coffee
Merlin (poem) the future. The story of "Merlin" is related to Robert de Boron's two other poems that also feature Merlin as an integral character. First recast into prose c. 1210, the three poems ("Joseph", "Merlin", and "Perceval") can also form the trilogy known as "Le Roman du Graal", which tells the story of the Arthurian myth as completely rewritten for the Holy Grail: brought from the Middle East to Britain by followers of Joseph of Arimathea, the Grail is eventually recovered by Arthur's knight Percival as foretold in one of the prophecies in "Merlin". "Merlin" begins with the scene of a