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).
Results of short-period battery tests, observing the heating of links on various battery types.
| Identifier | ExFiles\Box 35\1\ scan 123 | |
| Date | 15th April 1919 | |
| Mr. Clark. X.2676 15.4.19. X.664 - HEATING OF LINKS ON SHORT PERIOD BATTERY TESTS. X.2676 X.560. X.807 X.3398 X.979. C.A.V. All links slightly warm. Lucas. All links very slightly warm. Chlorides Heating of links hardly perceptible. P & R 60. All links lightly warm. Tudor 60 E.{Mr Elliott - Chief Engineer} All links warm-two getting hot owing to faulty joints. Tudor 60 C. All links slightly warm. Tudor 45 E.{Mr Elliott - Chief Engineer} Heating of links hardly perceptible. L.F. | ||