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 alter the quantity of .666 Reduction Gear sets from 3 to 4.
| Identifier | ExFiles\Box 38\6\ Scan103 | |
| Date | 23th October 1918 | |
| Ex. 23 OCT 1918 RECEIVED Dms/CBJ231018. RE CONDOR .666 REDUCTION GEAR - 4240 - X3389. With reference to the instructions issued for the .666 Reduction Gear - X3389, please alter quantity from 3 sets to 4 sets in all cases. Dm.{D. Munro} | ||