From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Photograph of a mechanical assembly featuring a casing with control linkages and two flanged ports.
| Identifier | Morton\M17\ img006 | |
| Date | 17th February 1938 guessed | |
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