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 condition of cell components after a 26-month bench life test.
| Identifier | ExFiles\Box 54\1\ Scan361 | |
| Date | 29th April 1930 guessed | |
| II J.D.76. but the periphery of a few plates were broken. The plates had grown a fair amount, but not sufficient to cause a short. There was no buckling of the plates. The wood & ebonite separators were in a perfect condition. This cell has run 13,787 miles & has been on our bench life test- 26 months. E-J.{Mr Johnson W.M.} | ||