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).
Microscopic photograph showing the cross-section of a corrugated or fibrous material.
| Identifier | ExFiles\Box 136\1\ scan0259 | |
| Date | 17th November 1937 guessed | |
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