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 performance and condition of 12-volt C.A.V. cells.
| Identifier | ExFiles\Box 1\7\ B001_X15 20 46 50 59-page221 | |
| Date | 16th June 1913 | |
| X.50. Wor{Arthur Wormald - General Works Manager}/SM3/L16.6.13. X.560. X.50. RE COMPARISON OF C.A.V. & EDISON CELLS. R.{Sir Henry Royce} 16.6.13. Mr. Ellis reports in reference to the C.A.V. Cells 12 volts :- "The output of above averages 62 amp. hours. "I do not think these cells will last very long, "the plates are in a poor condition. They also "froth very badly when charging". p. Wor.{Arthur Wormald - General Works Manager} | ||