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 | Fleet 1877 | Built | Tonnage | Shipyard | 
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 | S/S Gamma | 1872 | 1,852 gross | Humphrey & Pearson |  | S/S Scotland | 1869 | 2,146 gross | John Key |  | S/S Severn | 1870 | 1,271 gross | James Laing & Co. |  | S/S Thames (2) | 1871 | 1,687 gross | A. McMillan & Son |  | This list might not be a complete list of all the ships in the fleet. | 
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