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).
Letter to Tungstone Products Ltd. concerning the testing of a 60 amp-hour Tungstone accumulator.
| Identifier | ExFiles\Box 164\2\ img010 | |
| Date | 5th April 1939 | |
| 6021 EXPERIMENTAL DEPARTMENT. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}16/JH. 5th. April, 1939. Tungstone Products Ltd., Tungstone Works, Market Harborough. Your ref. FJB/MJ. Dear Sirs, We thank you for your letter of the 1st. April, concerning the 60 amp-hour Tungstone accumulator which we are now testing. We note that you can supply the same type of battery, but with the connectors burnt on, instead of detachable, thereby saving approximately 2 lbs. in weight. We appreciate your kind offer to supply us with the latest battery in which is incorporated plates of greater porosity, however, as we have not the facilities for testing more than a few batteries at a time, we would rather first complete the test on the existing battery. Yours faithfully, FOR ROLLS-ROYCE LTD. | ||