Chamberlain GN 19
| Built | 1905 Hall Russell & Co Ltd, Aberdeen (Steel) |
| Yard No | 388 |
| Owner at New | Thomas L. Devlin, Granton Edinburgh (owner/manager) |
| ID no | 118159 |
| Launch Date | 03.07.1905 |
| Completed | 07.1905 |
| Gross Tons | 161 |
| Nett Tons | 61 |
| Engine | 66 hp T.3-cyl by Hall, Russell & Co Ltd, Aberdeen |
| Length | 112.2ft |
| Breadth | 21.1ft |
| Depth | 11.1ft |
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| Owners | |
| 18.07.1905 | Registered at Granton GN 19. |
| 03..1917 | Requisitioned and converted to minesweeper (Ad.No.3336) based at Larne Ireland. |
| 17.06.1919 | Re-Registered at Granton. |
| 1919 | Returned to Owners. |
| 17.06.1919 | Mortgaged by Thomas L. Devlin, Granton Edinburgh (A). |
| 17.06.1919 | Mortgagee: John Inglis, Peebles, Peeblesshire. |
| 12.10.1920 | Stranded on rocks North of St Abbs Head. Later refloated. |
| 1920 | Owned by Thomas L. Devlin & Son, (Robert Devlin manager). |
| 1922 | Owned by Thomas L. Devlin & Sons, (Robert Devlin manager). |
| 02.1923 | Mortgage (A) discharged. |
| 1926 | Thomas L. Devlin Jnr appointed manager. |
| 05.02.1930 | Owned by Adam Bros Ltd, (Granton) Aberdeen. |
| 23.03.1930 | Owned by A King & Benjamin Allenby, Aberdeen . |
| 09.06.1930 | Collided with and sank steam drifter "Replenish" BF 530, 50 miles off Aberdeen. All crew rescued |
| 03.1932 | Granton registry closed. |
| 31.03.1932 | Registered at Aberdeen A.188. |
| 22.11.1932 | Renamed "RIVER YTHAN" |
| 12.1939 | Owned by John Charles Llewellin, Joseph Lesley Yolland, Milford Haven; John Yolland Jnr, Fleetwood &Thomas Steward Yolland, Swansea (J.C. Llewellin manager) . |
| 07.12.1939 | Aberdeen registry closed. |
| 15.12.1939 | Registered at Milford Haven M 51 |
| 1940 | On requisition list for war service but not taken up. |
| 12.08.1940 | Damaged by German aircraft attack 6 miles NW of Smalls lighthouse. (Skipper W. Davies ) |
| 09.03.1941 | Owned by Boston Deep Sea Fishing & Ice Co Ltd, Fleetwood ( Basil A. Parkes manager) |
| 26.10.1944 | Owned by Loyal Steam Fishing Co Ltd, Grimsby ( Albert Butt manager ) |
| 15.12.1944 | Missing since leaving Grimsby. Twelve crew lost. |
| 09.03.1945 | Milford registry closed. |