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).
Continued list of three desirable characteristics for an electrical storage component.
| Identifier | WestWitteringFiles\G\August1921\ Scan27 | |
| Date | 1st August 1921 | |
| To EFC. from R.{Sir Henry Royce} -2- R4/G30/8/21 Contd. (1) Durability. (2) Capacity for high rate of discharge without excessive drop of voltage for short intervals. (3) Absence of internal and external leakage so as to hold the charge even after being in use some considerable time. R.{Sir Henry Royce} CKA | ||