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).
Extract regarding the expected delivery of batteries from supplier Peto & Radford.
| Identifier | ExFiles\Box 38\5\ Scan007 | |
| Date | 5th February 1919 | |
| X. 3398 Extract from EFC1/T5.2.19. X. 664 BATTERIES. Peto & Radford. We are expecting from Messrs. Peto & Radford, one of their 60 ampere type L.D.11 chassis lighting and starting batteries, and also later on, a similar battery but in ebonite case instead of celluloid. | ||