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| Title | Aero engines |
|---|---|
| Creator | D Napier & Son |
| Date of Creation | c1958 |
| Description | Four pre-production S58 Wessex HAS1 helicopters, three grounded, one hovering, powered by Gazelle free turbine (E 201) engines. Stamped on rear - D Napier & Son Ltd, Publicity Department, Photographic Ref. No. 645P. |
| Archive Reference | NAP/4/3/13/2 |
| Media | Photographic print |
| Dimensions | N/A |