Cross-sectional drawing of a mechanical component with a handwritten note confirming its satisfactory operation.
| Identifier | ExFiles\Box 56\1\ Scan198 | |
| Date | 31th March 1932 | |
| PRESENT SCHEME WORKING SATISFACTORILY. ROLLS-ROYCE, LTD. PRINT ROOM MAR 31 1932 DERBY. | ||
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).