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).
Request to the Experimental Shop to produce a 34° 52' spiral for use in sequence starter experiments.
| Identifier | ExFiles\Box 64\3\ scan0104 | |
| Date | 26th January 1927 | |
| X7650 To BY/RD. from EFC. EFC3/T26.1.27. Confirming our conversation of yesterday, we should be pleased if you would instruct the Expl. Shop to produce a 34° 52' spiral which can be used with the rubber buffer scheme on our sequence starter experiments. EFC. | ||