Blueprint cover for a document prepared for Messrs Pilkington Bros.
| Identifier | ExFiles\Box 181\M7\ img053 | |
| Date | 21th December 1923 guessed | |
| Floor for Messrs Pilkington Bros: | ||
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).