| Description | Letter from Isambard Kingdom Brunel to Sir John Barrow, concerning Rattler Steamship: Smith, patent, request, etc., for two threaded screw, results of trials, speed, necessity of determining and ordering permanent gearing, Ericson's screw; concerning Great Britain steamship: modification of screw, 23 March 1844
Letter from J. Bennett to J.J. Arnold concerning the Rochester Railway, including reassurance about Bill, payment of account for professional charge, 25 March 1844 |