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).
Decision to conduct tests on a battery constructed with box-type separators enclosing the positive plates.
| Identifier | WestWitteringFiles\U\May1930-July1930\ Scan145 | |
| Date | 10th July 1930 guessed | |
| EFC1/ADS.7.30 contd. -5- (in that the positive plates can be completely enclosed by box type separators in such a way that the active material cannot fall away to the bottom of the cell container) that has decided us that a battery so made and in our standard form externally should be the subject of tests with us. EFC. | ||