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).
Instruction to all testers regarding the security of Spectre cars.
| Identifier | ExFiles\Box 4\1\ 01-page301 | |
| Date | 8th April 1935 | |
| X300 To All Testers. Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}15/KW. 8.4.35. SpectreCodename for Phantom III Cars. Please note that SpectreCodename for Phantom III cars must not be left in the yard or anywhere outside the Experimental premises unless a Tester is with the car. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||