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 displaying a fabricated metal channel, a metal strip, and retaining clips.
| Identifier | ExFiles\Box 90\5\ scan0107 | |
| Date | 7th February 1936 guessed | |
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