Manchester Inventor
| Name | Manchester Inventor |
| Type | Steamer |
| GRT | 4,112 tons |
| Country |  British |
| Built | 1907 |
| Builder | A. McMillan & Son, Ltd., Dumbarton |
| Operator | Manchester Liners, Ltd., Manchester |
| History | This vessel was the second to bear this name and was built as a general cargo streamer for Celtic Shipping Co. Ltd. Liverpool as Celtic King. Acquired by Manchester Liners in March 1917 to replace the lost Manchester Inventor I. |
U-boat attacks on Steamer Manchester Inventor
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 30 Jul 1917 | U 94 (Alfred Saalwächter) | Sunk | 80 miles NNE of Mickle Flugga | 61.27N, 00.38W | Arkhangelsk - Belfast | flax | 0 |
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