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).
Alterations to the 20HP chassis switchbox for the India 4 electrical installation, specifically the application of a green lamp scheme.
| Identifier | ExFiles\Box 57\1\ Scan006 | |
| Date | 3rd October 1928 | |
| X5740 BY: FROM E.{Mr Elliott - Chief Engineer} Copy to BJ. " RRG. " HS.{Lord Ernest Hives - Chair} E2/M3.10.28. X5739 20HP. ELECTRICAL INSTALLATION - INDIA 4. The application of the green lamp scheme to the 20HP. chassis will entail alteration to the switchbox,of somewhat similar character to those made for EAC. 10. in connection with switching off the charge. We should be glad if at some time or other you would have prepared a scheme for these alterations to enable us to devote our time to other work. E.{Mr Elliott - Chief Engineer} | ||