| Name: | ETHYLENE |
| Type: | Cargo Ship |
| Launched: | 04/1921 |
| Completed: | 05/1921 |
| Builder: | Wood, Skinner & Co Ltd |
| Yard: | Bill Quay |
| Yard Number: | 226 |
| Dimensions: | 936grt, 489nrt, 224.7 x 32.0 x 13.4ft |
| Engines: | T3cyl (16, 26 & 43 x 27ins), 116mn |
| Engines by: | North Eastern Marine Engineering Co Ltd, Wallsend |
| Propulsion: | 1 x Screw, 9.0knots |
| Construction: | Steel |
| Reg Number: | 145183 |
| History: | |
| 09/04/1921 | Gas, Light & Coke Co, London |
| 1949 | Owners restyled as North Thames Gas Board, London |
| 1953 | Hargreaves Coal & Shipping Co Ltd (Comben, Longstaff & Co Ltd, managers), London |
| 1953 | Renamed HARFRY |
| 05/03/1957 | Broken up |
| Comments: | 17/10/1940: Damaged by a mine near the East Oaze Buoy |
| 05/03/1957: Broken up by TW Ward Ltd at Grays, Essex |

Above photo as ETHYLENE is courtesy of Clive Ketley

Above photo as HARFRY is courtesy of Photoship

Above photo as HARFRY is courtesy of Photoship