Chronology:
| 1857 | Bar727; Bar101 |
| 1858 | Bar215; Bar216; Bar657 |
| 1859 | |
| 1860 | |
| 1861 | Bar726 |
Historical Background:
SS Great Eastern 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 [i]
Although was first called the 'Great Eastern', she was named 'Leviathan' at her first attempted launch in November 1857. She was renamed the Great Eastern after she was successfully launched in January 1858 [ii]
References:
[i] https://en.wikipedia.org/wiki/SS_Great_Eastern
[ii] http://www.bbc.co.uk/history/british/victorians/seven_wonders_gallery_05.shtml