Note 145 — Chapter XI · STEAM NAVIGATION—THE ‘GREAT EASTERN’ STEAM-SHIP, FROM THE COMMENCEMENT OF THE UNDERTAKING TO THE LAUNCH. A.D. 1851—1857. ÆTATIS 46—52.
Reading edition
Two years later Mr. Brunel spoke of the success of the screw engines as ‘a most grave question upon which hangs I fear to think how much.’