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).
Request to order two carboys of battery acid for the Experimental Electrical Department.
| Identifier | ExFiles\Box 63\1\ scan0133 | |
| Date | 13th October 1920 | |
| X3035 To O.G. from EFC/AT. ------------------- EFC/AT1/S13.10.20. X.3035. BATTERY ACID. Will you kindly order for the use of the Experimental Electrical Dept. 2 carboys of best battery acid, and oblige. EFC/AT. Recd | ||