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).
The dimensions for a Lucas accumulator with a lid.
| Identifier | ExFiles\Box 35\1\ scan 109 | |
| Date | 25th November 1918 | |
| H.M. 235a 20(T) (S F 674. 22-5-19) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2276. X.2676. Mr. Clark. 25.11.18. Dimensions of Lucas accumulator with lid{A. J. Lidsey} on 17" long 10 3/4" high 7 1/4" wide. L.F. | ||