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 showing the limits for drilling a Petrol Pump Cover, part number E80297.
| Identifier | ExFiles\Box 17\5\ Scan121 | |
| Date | 23th May 1932 | |
| LIMITS FOR DRILLING PETROL PUMP COVER E80297 ROLLS-ROYCE, LTD PRINT ROOM MAY 23 1932 DERBY. 1.250 1.150 1.025 1.375 1.125 0.850 0.625 0.450 SAI | ||