| Name: | L 52 | 
| Type: | Submarine | 
| Keel: | 16/05/1917 | 
| Launched: | 18/12/1918 | 
| Completed: | 18/01/1921 | 
| Builder: | Armstrong, Whitworth & Co Ltd | 
| Yard: | Naval Yard, High Walker | 
| Yard Number: | 923 | 
| Dimensions: | 960disp surf, 1150disp subm, 235.0 x 23.5 x 13.0ft | 
| Engines: | 2 x 1920hp oil engines, 2 x 1150hp electric motors | 
| Engines by: | Vickers Ltd | 
| Propulsion: | 2 x Screws, 17.0knots surf, 10.5knots subm | 
| Construction: | Steel | 
| Armament: | 6 x 21.0ins bow torpedo tubes, 2 x 1 x 4.0ins guns | 
| History: | |
| 18/01/1921 | British Royal Navy | 
| 26/09/1935 | Broken up | 
| Comments: | 13/09/1935: Broke tow & grounded at Sully Beach, South Glamorgan on way to breakers | 
| 26/09/1935: Refloated and was towed to Rees, Llanelly for breaking up | 

Above photo courtesy of Kevin Blair

Above photo courtesy of Photoship

Above photo courtesy of Photoship