1851 Great Exhibition: Official Catalogue: Class VIII.: A. Gibson
41. GIBSON, A., 2 Exmouth Place, Cheltenham.
Steam-ship, with improved paddle-wheels, with paddles attached to endless-chains to run over two extra wheels.
Small dragon to drive a gutta percha tail to act as a propeller.
Railway in place of a gunwale and space in front, to carry four guns.