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).
Request to order three replacement Dagenite accumulators for a H.T. Peak Voltmeter.
| Identifier | ExFiles\Box 167\2\ img229 | |
| Date | 11th August 1939 | |
| 16F03 To E.J. c. to Rm{William Robotham - Chief Engineer}/RC{R. Childs}/GJ. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}9/JH.11.8.39. re H.T. Peak Voltmeter. The 6 volt battery used for heating the rectifying valve in the above instrument is worn out. Will you please order, as a replacement, three type RMF7 (Tell Tale) Dagenite accumulators, the capacity of the above is 36 A.H. at 20 hr. rate. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||