Medal commemorating the SS 'Great Britain', experimental voyage from Bristol to London, 1845. Obverse: Starboard broadside view of the vessel, carrying fore and aft sail on six masts. Legend: 'THE GREAT BRITAIN.' Exergue: 'LENGTH 322 FT . BREADTH 50 FT . 6 IN . DEPTH 32 FT . 6 IN . 26 STATE ROOMS WITH 1 BED EH . 113 WITH 2 BEDS EH. TOTAL WHT. OF IRON 1500 TNS. 1000 HORSE POWER LAUNCHED BY H . R . H . PRINCE ALBERT JULY 19 1843 BUILT BY THE GREAT WESTERN STEAMSHIP COMPY.' Reverse: Inscription: 'RIVER THAMES JAN . 26 . 1845. WE THE UNDERSIGNED PASSENGERS ON BOARD THE GREAT BRITAIN STEAM SHIP ON HER EXPERIMENTAL VOYAGE FROM BRISTOL TO LONDON HAVING WITNESSED HER PERFORMANCE DURING A STIFF GALE AND A HEAVY SEA DO EXPRESS OUR CONVICTION OF HER GREAT LENGTH BEING NO DETRIMENT TO HER EXCELLENT SAILING QUALITIES AND HER SEA WORTHINESS AND OF THE GREAT ADVANTAGE OF THE APPLICATION OF MR SMITH'S SCREW AS ALSO OUR SENSE OF THE SKILL , ATTENTION AND URBANITY OF HER COMMANDENT LIEUT. HOSKEN, R.N. SIGNED S, LUSHINGTON CAPT. R.N. A. FAIRBROTHER M.D. W. H. G. LANGTON, J. REYNOLDS R.Y.S, JOHN REYNOLDS, I. WHITE, J. H. BROWN C.M.S, E. J. MAUDE C.E, C. WEST, J. M. SUNLEY, W. C. EVANS, W. ROUGHSEDGE, W. COOK, H. J. MILLS, T. D. TAYLOR, G. J. POWELL, J. WALTER, E. J. MAYBURY, J. LOVELL, J. O. POWELL, C. HILL E.C.S, A. HONEYWELL, W. HERNIMAN, J. HAMMONDS C.E, P. P. BAILEY C.E. G. PYCROFTE, M.R.C.S.'