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).
Diagrams illustrating the apparatus arrangement and various lever positions for servo tests.
| Identifier | ExFiles\Box 2\7\ B002_X 140 to 143-page14 | |
| Date | 26th January 1938 guessed | |
| PEMB-LINE 45' TESTS. V1501 ① DIAGRAM OF ARRGT OF APPARATUS FOR SERVO TESTS. INPUT HORIZONTAL 30° A B REAR OUTPUT FRONT OUTPUT ② VARIOUS RELATIVE POSITIONS OF LEVERS A & B AS TRIED. | ||