Blueprint detailing a modification to a Needle Valve for a Phantom Lec 31.32.
| Identifier | ExFiles\Box 13\4\ 04-page180 | |
| Date | 7th November 1933 | |
| V1651 Dia at Large End .168 -1/2 TAPER 5°-12' INCLUDED Dia at Small End .070 -1 MOD'N TO NEEDLE VALVE (PHANTOM Lec 31.32) OTHER DIMENSIONS SEE (E.83974) ROLLS-ROYCE, LTD. PRINT ROOM 7 NOV 1933 DERBY. RGS 8-11-33 | ||
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).