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).
Blueprint for a proposed post at a scale of 1/4 inch to 1 foot.
| Identifier | ExFiles\Box 176\2\ img347 | |
| Date | 7th March 1921 | |
| I I 29.000 FT AP 7/3/21 SCALE 1/4" TO 1 FOOT PROPOSED POST | ||