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).
Archival cover sheet with a reference number and date.
| Identifier | ExFiles\Box 36\2\ scan 115 | |
| Date | 29th April 1927 | |
| Hs{Lord Ernest Hives - Chair}/VH 1/LC 29.4.27 ROLLS-ROYCE, LIMITED PRINT ROOM 30 APR 1947 | ||