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 a modification to a petrol supply system, increasing a release hole.
| Identifier | ExFiles\Box 44\1\ Scan259 | |
| Date | 19th November 1928 | |
| INCREASED RELEASE HOLE TO .137 AIR RELEASE 3/16" PETROL SUPPLY 5/16" TO CARB. ROLLS-ROYCE LIMITED PRINT ROOM, 19 NOV 1928 DERBY. | ||