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).
Bonnniksen Isochronous Speedometer, including details on flex length and catalogue supply.
| Identifier | ExFiles\Box 39\2\ Scan241 | |
| Date | 3rd September 1919 | |
| X.3508 BY/JHS/H.{Arthur M. Hanbury - Head Complaints} 3. 9. 19. EFC. c. Mr. Ormerod. RE BONNIKSEN ISOCHRONOUS SPEEDOMETER. In reply to your EFC2/T30.5.19, we are supplying herewith the catalogue referring to this Speedometer, from which we think all the necessary information should be obtained. The length of Flex required for this Speedometer will be 7 feet. If any further information is required, will you please consult Mr. Ormerod. We return herewith memos EFC1/T28519, and EFC2/T30.5.19. BY/JH. | ||