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).
Wing gauges, recommending their adoption as standard for L to E cars.
| Identifier | ExFiles\Box 75\3\ scan0249 | |
| Date | 30th August 1912 | |
| x962 N 594 Re Wing Guages F 2492. TBB5/L30812. Mr Nadin 30.8.12. Mr Platford reports that these are quite satisfactory and should be adopted as standard* as soon as possible. * presumably for L to E cars. | ||