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).
Design sketch for a battery rear support component, sheet 2.
| Identifier | WestWitteringFiles\V\October1930-February1931\ Scan146 | |
| Date | 15th December 1930 guessed | |
| ( SHEET 2.) BATTERY REAR SUPPORT. Try .125 sheet steel About .1". Rivets in double shear. Brake ropes. Probably 4 cleats & 4 bolts. My impression is that the above represents approximately the problem and the proportions. | ||