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).
Blueprint detailing modifications for a main jet sleeve, including drilling four holes.
| Identifier | ExFiles\Box 92\2\ scan0183 | |
| Date | 7th November 1933 | |
| V1650 4 Holes Drill .1719 Dia. OTHER DIMENSIONS SEE (E83982) MOD'N TO MAIN JET SLEEVE (PH LEC 3432) ROLLS-ROYCE, LTD PRINT ROOM 7 NOV 1933 DERBY. WHP 3-11-33 | ||