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).
Test report on short connecting rods (X.3400) after successful bench and road tests.
| Identifier | ExFiles\Box 35\2\ scan 064 | |
| Date | 17th November 1919 | |
| EH/AT17.11.19. X.3400.-SHORT CONNECTING RODS. These rods have been run on the Bench Test for 100 hours and have shown no sign of failure. They have now completed 10,000 miles Road Test and have given no trouble. EH. | ||