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).
Parts list for the Condor .666 Reduction Gear.
| Identifier | ExFiles\Box 38\6\ Scan101 | |
| Date | 25th October 1917 | |
| Da{Bernard Day - Chassis Design}10/CS241018. RE CONDOR .666 REDUCTION GEAR - 4240 - X33891. Please receive herewith - C.6242 - Centre Bolt. C.6243 - Planet Pinion Cone Washer. C.6245 - Special Bolt. C.6246 - BA Stud. C.6247 - Special Stud. C.6248 - Special Washer. C.496249 - Special Nut. C.6250 - Special Bolt. C.6251 - Propeller Shaft Extension Bolt. 4 sets required. Da.{Bernard Day - Chassis Design} RECEIVED 25 OCT 17 R.R. 235A (500 T) (S.D. 408. 26-4-17) B'm.{Mr Moon / Mr Moore} 2/150/13. | ||