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).
Experimental 40/50 sandwich batteries containing cells with threaded rubber separators.
| Identifier | ExFiles\Box 54\5\ Scan102 | |
| Date | 26th June 1926 | |
| X3839 26.6.26. EXPERIMENTAL 40/50 SANDWICH BATTERIES CONTAINING CELLS WITH THREADED RUBBER SEPARATORS. No. Label. Case. - Battery. + 179. SR. Exide. [TRE o | TRP R+ | PN{Mr Northey} | STD E | TRP F+ | TRE o] 180. SS.{S. Smith} P & R.{Sir Henry Royce} [TRP R+ o | TRE | Po | STD E | TRE | TRP F+ o] 181. ST.{Capt. P. R. Strong} Exide. [Po o | TRP R+ | TRE | STD E | TRP F+ | PN{Mr Northey} o] EFC. | ||