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).
Drawing for a 20 HP chassis switchbox, showing alterations for a green lamp scheme.
| Identifier | ExFiles\Box 56\4\ Scan139 | |
| Date | 12th November 1928 | |
| X5730 [Stamped Box] E.{Mr Elliott - Chief Engineer} C. Ed.{J. L. Edwards} C. EFC. C. Hc. BY/Cgh{W Clough}22/G.12.11.28. [Stamped Circle] RECEIVED 12 NOV 1928 As requested in E2/M3.10.28. we have prepared a drawing for the 20 HP. chassis switchbox, print of which we send you herewith showing the alterations required to suit the green lamp scheme. Will you please let us know if you are in agreement with what we have shown. [Handwritten Note] Refers to switchbox with extended armature BY/Cgh.{W Clough} contact adapted to 20 hp on lines proposed for S.S. chassis. For use with new dist. board incorporating green-lamp switch. JA | ||