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).
Night letter telegram inquiring about the balance weights used by Curtiss due to bearing trouble.
| Identifier | ExFiles\Box 173\1\ img086 | |
| Date | 22th January 1934 | |
| 22.1.34. NIGHT LETTER TELEGRAM. COVERLEY, SPINK ARMS, INDIANAPOLIS, U.S.A. DID CURTISS ADD BALANCE WEIGHTS BECAUSE OF BEARING TROUBLE. HOW MUCH BALANCE DO THEY USE. WHAT REVOLUTIONS ON OVERSPEED TEST. HIVES, ROYCAR. | ||