SS Great Eastern SS Great Eastern SS "Great Eastern" was an iron sailing steamship designed by Isambard Kingdom Brunel, and built by J. Scott Russell & Co. at Millwall Iron Works on the River Thames, London. She was by far the largest ship ever built at the time of her 1858 launch, and had the capacity to carry 4,000 passengers from England to Australia without refuelling. Her length of was only surpassed in 1899 by the 17,274-gross-ton RMS "Oceanic", her gross tonnage of 18,915 was only surpassed in 1901 by the 21,035-gross-ton RMS "Celtic", and her 4,000-passenger capacity was surpassed in 1913 by
Isambard Kingdom Brunel use a broad gauge of for the track, which he believed would offer superior running at high speeds; and to take a route that passed north of the Marlborough Downs—an area with no significant towns, though it offered potential connections to Oxford and Gloucester—and then to follow the Thames Valley into London. His decision to use broad gauge for the line was controversial in that almost all British railways to date had used standard gauge. Brunel said that this was nothing more than a carry-over from the mine railways that George Stephenson had worked on prior to making the world's