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).
Standardisation sheet for an Exide 6 EXE 5 battery with independently supported elements.
| Identifier | ExFiles\Box 49\5\ Scan281 | |
| Date | 5th April 1921 | |
| To R from EFC. {E. Fowler Clarke - Electrical Engineer} CJ. & BJ. X 4288 EFC {E. Fowler Clarke - Electrical Engineer} 2/T5.4.21. X.4288 - EXIDE 6 EXEAero Engine 5 BATTERY WITH INDEPENDENTLY SUPPORTED POSITIVE AND NEGATIVE ELEMENTS. Herewith standardisation sheet for the above. Will you kindly remark upon, sign and return at your convenience. EFC. {E. Fowler Clarke - Electrical Engineer} | ||