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).
Accompanying blueprints for an experimental Elliptical Zephyr Piston for a 40/50 Chassis.
| Identifier | ExFiles\Box 77\3\ scan0001 | |
| Date | 17th November 1919 | |
| R.R. 235 s (200 T) (S.F. 674, 22-5-19) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2375. To [illegible text] [illegible text] [illegible text] C.c. to Ck.{Mr Clark} DA{Bernard Day - Chassis Design}/STT2/MS17.11.19. re Elliptical Zephyr Piston 40/50 Chassis Section S.40 - Z. 3221. Please receive herewith Blue Prints of H.{Arthur M. Hanbury - Head Complaints} 2564 Elliptical Zephyr Piston, for making 1 experimental set. DA{Bernard Day - Chassis Design}/STT. | ||