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| Title | Marine engines |
|---|---|
| Creator | D Napier & Sons |
| Date of Creation | 1957 |
| Description | The C18-5 compound Deltic prototype under load in the Acton Marine Engine Test House. Stamped on rear - D Napier & Son Ltd, Publicity Department, Photographic Ref. No. 577 9H. |
| Archive Reference | NAP/4/3/10/10/2 |
| Media | Photographic print |
| Dimensions | N/A |