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).
Graph comparing the consistency of performance between dry and oil-soaked servo fabric.
| Identifier | ExFiles\Box 16\3\ Scan071 | |
| Date | 24th June 1929 | |
| V680. COMPARISON OF CONSISTENCY OF PERFORMANCE OF DRY & OILED SERVO FABRIC. ENGINE N: SS.{S. Smith}5. 45° CAMS. MAXIMUM PERCENTAGE VARIATION OF OUTPUT LOAD 'B' OVER SEVERAL READINGS. INPUT LOAD 'A' (LBS). DRY 'COTTON A' FABRIC. OIL-SOAKED 'COTTON A' FABRIC. | ||