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 test ballast resistances with soldered connections instead of brazed ones.
| Identifier | ExFiles\Box 168a\5\ img055 | |
| Date | 1st April 1931 | |
| RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/HEW. X7720 Hs{Lord Ernest Hives - Chair}/HEWl/ADD.4.31. X.7720. BALLAST RESISTANCE WITH SOLDERED CONNECTION INSTEAD OF BRAZED. Will you please have made for test, two further standard ballasts with the wire soldered to the terminal posts instead of brazed. We have some solder of high melting point which can be used for this job. Completed. Hs{Lord Ernest Hives - Chair}/HEW. | ||