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).
Confirming the dispatch of inner tubes and a hydrometer.
| Identifier | ExFiles\Box 34\4\ Scan035 | |
| Date | 9th September 1918 | |
| R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To R.{Sir Henry Royce} from EH. X.2048 EH4/LG9.9.18. 9th. Sept. 1918. We have despatched to you - two 700 by 80 m/m Inner Tubes in exchange for tyres returned. We have also sent one Hydrometer for petrol. The Hydrometer for acid has not yet arrived. EH. | ||