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 of a taper needle for a semi-experimental carburettor.
| Identifier | ExFiles\Box 13\4\ 04-page045 | |
| Date | 2nd November 1942 | |
| 'V1438 .145 DIA AT TOP OF TAPER 1.075 (3°-28') ANGLE TAPER .080 DIA AT BOTTOM OF TAPER OTHER DIMENSIONS SEE Ex7897 TAPER NEEDLE (PH. SEMI-EXP CARB) ROLLS-ROYCE, LTD PRINT ROOM NOV 2 1942 DERBY. 26-10-42 | ||