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).
Cross-sectional drawing of a mechanical assembly with numbered parts.
| Identifier | ExFiles\Box 141\2\ scan0184 | |
| Date | 19th April 1939 guessed | |
| 3 5/16" DIA. 2 3/4" P.C. DIA. 17/64 DIA. 1/2" STANDD 2 15/32" 7/16" CORNERS OF WASHER TO BE TURNED UP TO LOCK NUTS. | ||