The trick has since been often repeated and explained. The medium must have the semblance of key-board, made of some light material, concealed in his coat sleeve or about his person. This he attaches to the bottom of the accordion which he holds in his hand. Then when unobserved, while the learned professor is "taking down his notes" for the public press, he reverses the accordion, and attaching the false keyboard on the bottom by means of a small hook attached to it, fastens it to the side of the basket; having now the real keyboard in his hand he is able to produce musical sounds. Afterward the accordion floated about in the basket under the table, without the contact of Mr. Home's hand. This subsequent phenomenon was given to avoid immediate examination of the first by keeping Professor Crookes in suspense, and giving the medium time to reverse the instrument and conceal in his clothing the false key-board which had been on the bottom of the instrument. The accordion was suspended by means of a small hook fastened to dark thread, which would be invisible in the gas-light.